Home / 94,511.16-130,424.28-52,068.78

Finding the Fourth Proportional to 94,511.16, 130,424.28 and 52,068.78

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Solution

The fourth proportional to 94,511.16, 130,424.28 and 52,068.78 is: 71,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,511.16 : 130,424.28 = 52,068.78 : x
  2. Step 2: Convert to fraction form
    94,511.16/130,424.28 = 52,068.78/x
  3. Step 3: Cross multiply
    94,511.16x = 130,424.28 × 52,068.78
  4. Step 4: Simplify right side
    94,511.16x = 6,791,033,141.98
  5. Step 5: Solve for x
    x = 6,791,033,141.98/94,511.16
  6. Step 6: Final answer
    x = 71,854.30

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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.