Home / 72,314.19-99,794.70-43,635.33

Finding the Fourth Proportional to 72,314.19, 99,794.70 and 43,635.33

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Solution

The fourth proportional to 72,314.19, 99,794.70 and 43,635.33 is: 60,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,314.19 : 99,794.70 = 43,635.33 : x
  2. Step 2: Convert to fraction form
    72,314.19/99,794.70 = 43,635.33/x
  3. Step 3: Cross multiply
    72,314.19x = 99,794.70 × 43,635.33
  4. Step 4: Simplify right side
    72,314.19x = 4,354,574,666.75
  5. Step 5: Solve for x
    x = 4,354,574,666.75/72,314.19
  6. Step 6: Final answer
    x = 60,217.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.