Home / 101,472.48-140,032.20-56,152.38

Finding the Fourth Proportional to 101,472.48, 140,032.20 and 56,152.38

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Solution

The fourth proportional to 101,472.48, 140,032.20 and 56,152.38 is: 77,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472.48 : 140,032.20 = 56,152.38 : x
  2. Step 2: Convert to fraction form
    101,472.48/140,032.20 = 56,152.38/x
  3. Step 3: Cross multiply
    101,472.48x = 140,032.20 × 56,152.38
  4. Step 4: Simplify right side
    101,472.48x = 7,863,141,306.64
  5. Step 5: Solve for x
    x = 7,863,141,306.64/101,472.48
  6. Step 6: Final answer
    x = 77,490.38

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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.