Home / 56,152.46-77,488.36-31,001.42

Finding the Fourth Proportional to 56,152.46, 77,488.36 and 31,001.42

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Solution

The fourth proportional to 56,152.46, 77,488.36 and 31,001.42 is: 42,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,152.46 : 77,488.36 = 31,001.42 : x
  2. Step 2: Convert to fraction form
    56,152.46/77,488.36 = 31,001.42/x
  3. Step 3: Cross multiply
    56,152.46x = 77,488.36 × 31,001.42
  4. Step 4: Simplify right side
    56,152.46x = 2,402,248,728.53
  5. Step 5: Solve for x
    x = 2,402,248,728.53/56,152.46
  6. Step 6: Final answer
    x = 42,780.83

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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.