Home / 70,932.12-97,892.18-39,107.24

Finding the Fourth Proportional to 70,932.12, 97,892.18 and 39,107.24

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Solution

The fourth proportional to 70,932.12, 97,892.18 and 39,107.24 is: 53,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,932.12 : 97,892.18 = 39,107.24 : x
  2. Step 2: Convert to fraction form
    70,932.12/97,892.18 = 39,107.24/x
  3. Step 3: Cross multiply
    70,932.12x = 97,892.18 × 39,107.24
  4. Step 4: Simplify right side
    70,932.12x = 3,828,292,977.38
  5. Step 5: Solve for x
    x = 3,828,292,977.38/70,932.12
  6. Step 6: Final answer
    x = 53,971.22

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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.