Home / 61,031.23-91,294.08-57,298.75

Finding the Fourth Proportional to 61,031.23, 91,294.08 and 57,298.75

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Solution

The fourth proportional to 61,031.23, 91,294.08 and 57,298.75 is: 85,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,031.23 : 91,294.08 = 57,298.75 : x
  2. Step 2: Convert to fraction form
    61,031.23/91,294.08 = 57,298.75/x
  3. Step 3: Cross multiply
    61,031.23x = 91,294.08 × 57,298.75
  4. Step 4: Simplify right side
    61,031.23x = 5,231,036,666.40
  5. Step 5: Solve for x
    x = 5,231,036,666.40/61,031.23
  6. Step 6: Final answer
    x = 85,710.82

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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.