Home / 86,985.52-130,437.18-33,702.46

Finding the Fourth Proportional to 86,985.52, 130,437.18 and 33,702.46

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Solution

The fourth proportional to 86,985.52, 130,437.18 and 33,702.46 is: 50,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,985.52 : 130,437.18 = 33,702.46 : x
  2. Step 2: Convert to fraction form
    86,985.52/130,437.18 = 33,702.46/x
  3. Step 3: Cross multiply
    86,985.52x = 130,437.18 × 33,702.46
  4. Step 4: Simplify right side
    86,985.52x = 4,396,053,841.46
  5. Step 5: Solve for x
    x = 4,396,053,841.46/86,985.52
  6. Step 6: Final answer
    x = 50,537.77

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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.