Home / 102,001.16-140,758.80-56,677.97

Finding the Fourth Proportional to 102,001.16, 140,758.80 and 56,677.97

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Solution

The fourth proportional to 102,001.16, 140,758.80 and 56,677.97 is: 78,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,001.16 : 140,758.80 = 56,677.97 : x
  2. Step 2: Convert to fraction form
    102,001.16/140,758.80 = 56,677.97/x
  3. Step 3: Cross multiply
    102,001.16x = 140,758.80 × 56,677.97
  4. Step 4: Simplify right side
    102,001.16x = 7,977,923,182.99
  5. Step 5: Solve for x
    x = 7,977,923,182.99/102,001.16
  6. Step 6: Final answer
    x = 78,214.04

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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.