Home / 56,327.47-77,733.12-31,176.97

Finding the Fourth Proportional to 56,327.47, 77,733.12 and 31,176.97

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Solution

The fourth proportional to 56,327.47, 77,733.12 and 31,176.97 is: 43,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,327.47 : 77,733.12 = 31,176.97 : x
  2. Step 2: Convert to fraction form
    56,327.47/77,733.12 = 31,176.97/x
  3. Step 3: Cross multiply
    56,327.47x = 77,733.12 × 31,176.97
  4. Step 4: Simplify right side
    56,327.47x = 2,423,483,150.25
  5. Step 5: Solve for x
    x = 2,423,483,150.25/56,327.47
  6. Step 6: Final answer
    x = 43,024.89

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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.