Home / 66,712.68-92,063.52-38,417.76

Finding the Fourth Proportional to 66,712.68, 92,063.52 and 38,417.76

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Solution

The fourth proportional to 66,712.68, 92,063.52 and 38,417.76 is: 53,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,712.68 : 92,063.52 = 38,417.76 : x
  2. Step 2: Convert to fraction form
    66,712.68/92,063.52 = 38,417.76/x
  3. Step 3: Cross multiply
    66,712.68x = 92,063.52 × 38,417.76
  4. Step 4: Simplify right side
    66,712.68x = 3,536,874,216.12
  5. Step 5: Solve for x
    x = 3,536,874,216.12/66,712.68
  6. Step 6: Final answer
    x = 53,016.52

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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.