Home / 74,430.40-111,645.60-50,810.80

Finding the Fourth Proportional to 74,430.40, 111,645.60 and 50,810.80

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Solution

The fourth proportional to 74,430.40, 111,645.60 and 50,810.80 is: 76,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,430.40 : 111,645.60 = 50,810.80 : x
  2. Step 2: Convert to fraction form
    74,430.40/111,645.60 = 50,810.80/x
  3. Step 3: Cross multiply
    74,430.40x = 111,645.60 × 50,810.80
  4. Step 4: Simplify right side
    74,430.40x = 5,672,802,252.48
  5. Step 5: Solve for x
    x = 5,672,802,252.48/74,430.40
  6. Step 6: Final answer
    x = 76,216.20

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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.