Home / 71,555.12-98,711.76-50,346.08

Finding the Fourth Proportional to 71,555.12, 98,711.76 and 50,346.08

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Solution

The fourth proportional to 71,555.12, 98,711.76 and 50,346.08 is: 69,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555.12 : 98,711.76 = 50,346.08 : x
  2. Step 2: Convert to fraction form
    71,555.12/98,711.76 = 50,346.08/x
  3. Step 3: Cross multiply
    71,555.12x = 98,711.76 × 50,346.08
  4. Step 4: Simplify right side
    71,555.12x = 4,969,750,165.90
  5. Step 5: Solve for x
    x = 4,969,750,165.90/71,555.12
  6. Step 6: Final answer
    x = 69,453.45

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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.