Home / 56,315.39-84,402.92-49,278.72

Finding the Fourth Proportional to 56,315.39, 84,402.92 and 49,278.72

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Solution

The fourth proportional to 56,315.39, 84,402.92 and 49,278.72 is: 73,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,315.39 : 84,402.92 = 49,278.72 : x
  2. Step 2: Convert to fraction form
    56,315.39/84,402.92 = 49,278.72/x
  3. Step 3: Cross multiply
    56,315.39x = 84,402.92 × 49,278.72
  4. Step 4: Simplify right side
    56,315.39x = 4,159,267,985.06
  5. Step 5: Solve for x
    x = 4,159,267,985.06/56,315.39
  6. Step 6: Final answer
    x = 73,856.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.