Home / 56,526.78-78,005.52-31,033.02

Finding the Fourth Proportional to 56,526.78, 78,005.52 and 31,033.02

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Solution

The fourth proportional to 56,526.78, 78,005.52 and 31,033.02 is: 42,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.78 : 78,005.52 = 31,033.02 : x
  2. Step 2: Convert to fraction form
    56,526.78/78,005.52 = 31,033.02/x
  3. Step 3: Cross multiply
    56,526.78x = 78,005.52 × 31,033.02
  4. Step 4: Simplify right side
    56,526.78x = 2,420,746,862.27
  5. Step 5: Solve for x
    x = 2,420,746,862.27/56,526.78
  6. Step 6: Final answer
    x = 42,824.78

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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.