Home / 70,539.12-97,343.92-38,708.08

Finding the Fourth Proportional to 70,539.12, 97,343.92 and 38,708.08

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Solution

The fourth proportional to 70,539.12, 97,343.92 and 38,708.08 is: 53,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,539.12 : 97,343.92 = 38,708.08 : x
  2. Step 2: Convert to fraction form
    70,539.12/97,343.92 = 38,708.08/x
  3. Step 3: Cross multiply
    70,539.12x = 97,343.92 × 38,708.08
  4. Step 4: Simplify right side
    70,539.12x = 3,767,996,242.87
  5. Step 5: Solve for x
    x = 3,767,996,242.87/70,539.12
  6. Step 6: Final answer
    x = 53,417.11

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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.