Home / 56,552.78-78,046.35-31,402.46

Finding the Fourth Proportional to 56,552.78, 78,046.35 and 31,402.46

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Solution

The fourth proportional to 56,552.78, 78,046.35 and 31,402.46 is: 43,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,552.78 : 78,046.35 = 31,402.46 : x
  2. Step 2: Convert to fraction form
    56,552.78/78,046.35 = 31,402.46/x
  3. Step 3: Cross multiply
    56,552.78x = 78,046.35 × 31,402.46
  4. Step 4: Simplify right side
    56,552.78x = 2,450,847,384.02
  5. Step 5: Solve for x
    x = 2,450,847,384.02/56,552.78
  6. Step 6: Final answer
    x = 43,337.35

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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.