Home / 71,707.20-107,609.40-46,686.30

Finding the Fourth Proportional to 71,707.20, 107,609.40 and 46,686.30

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Solution

The fourth proportional to 71,707.20, 107,609.40 and 46,686.30 is: 70,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,707.20 : 107,609.40 = 46,686.30 : x
  2. Step 2: Convert to fraction form
    71,707.20/107,609.40 = 46,686.30/x
  3. Step 3: Cross multiply
    71,707.20x = 107,609.40 × 46,686.30
  4. Step 4: Simplify right side
    71,707.20x = 5,023,884,731.22
  5. Step 5: Solve for x
    x = 5,023,884,731.22/71,707.20
  6. Step 6: Final answer
    x = 70,061.09

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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.