Home / 66,761.04-92,032.08-50,817.72

Finding the Fourth Proportional to 66,761.04, 92,032.08 and 50,817.72

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Solution

The fourth proportional to 66,761.04, 92,032.08 and 50,817.72 is: 70,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,761.04 : 92,032.08 = 50,817.72 : x
  2. Step 2: Convert to fraction form
    66,761.04/92,032.08 = 50,817.72/x
  3. Step 3: Cross multiply
    66,761.04x = 92,032.08 × 50,817.72
  4. Step 4: Simplify right side
    66,761.04x = 4,676,860,472.46
  5. Step 5: Solve for x
    x = 4,676,860,472.46/66,761.04
  6. Step 6: Final answer
    x = 70,053.74

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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.