Home / 56,248.65-77,628.11-42,076.89

Finding the Fourth Proportional to 56,248.65, 77,628.11 and 42,076.89

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Solution

The fourth proportional to 56,248.65, 77,628.11 and 42,076.89 is: 58,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,248.65 : 77,628.11 = 42,076.89 : x
  2. Step 2: Convert to fraction form
    56,248.65/77,628.11 = 42,076.89/x
  3. Step 3: Cross multiply
    56,248.65x = 77,628.11 × 42,076.89
  4. Step 4: Simplify right side
    56,248.65x = 3,266,349,234.99
  5. Step 5: Solve for x
    x = 3,266,349,234.99/56,248.65
  6. Step 6: Final answer
    x = 58,069.82

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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.