Home / 56,001.78-77,282.40-32,127.42

Finding the Fourth Proportional to 56,001.78, 77,282.40 and 32,127.42

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Solution

The fourth proportional to 56,001.78, 77,282.40 and 32,127.42 is: 44,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,001.78 : 77,282.40 = 32,127.42 : x
  2. Step 2: Convert to fraction form
    56,001.78/77,282.40 = 32,127.42/x
  3. Step 3: Cross multiply
    56,001.78x = 77,282.40 × 32,127.42
  4. Step 4: Simplify right side
    56,001.78x = 2,482,884,123.41
  5. Step 5: Solve for x
    x = 2,482,884,123.41/56,001.78
  6. Step 6: Final answer
    x = 44,335.81

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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.