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Finding the Fourth Proportional to 72,444.40, 108,666.60 and 44,450.80

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Solution

The fourth proportional to 72,444.40, 108,666.60 and 44,450.80 is: 66,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444.40 : 108,666.60 = 44,450.80 : x
  2. Step 2: Convert to fraction form
    72,444.40/108,666.60 = 44,450.80/x
  3. Step 3: Cross multiply
    72,444.40x = 108,666.60 × 44,450.80
  4. Step 4: Simplify right side
    72,444.40x = 4,830,317,303.28
  5. Step 5: Solve for x
    x = 4,830,317,303.28/72,444.40
  6. Step 6: Final answer
    x = 66,676.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.