Home / 86,498.29-119,190.45-63,801.31

Finding the Fourth Proportional to 86,498.29, 119,190.45 and 63,801.31

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Solution

The fourth proportional to 86,498.29, 119,190.45 and 63,801.31 is: 87,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,498.29 : 119,190.45 = 63,801.31 : x
  2. Step 2: Convert to fraction form
    86,498.29/119,190.45 = 63,801.31/x
  3. Step 3: Cross multiply
    86,498.29x = 119,190.45 × 63,801.31
  4. Step 4: Simplify right side
    86,498.29x = 7,604,506,849.49
  5. Step 5: Solve for x
    x = 7,604,506,849.49/86,498.29
  6. Step 6: Final answer
    x = 87,915.11

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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.