Home / 58,092.12-87,129.95-18,644.13

Finding the Fourth Proportional to 58,092.12, 87,129.95 and 18,644.13

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Solution

The fourth proportional to 58,092.12, 87,129.95 and 18,644.13 is: 27,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,092.12 : 87,129.95 = 18,644.13 : x
  2. Step 2: Convert to fraction form
    58,092.12/87,129.95 = 18,644.13/x
  3. Step 3: Cross multiply
    58,092.12x = 87,129.95 × 18,644.13
  4. Step 4: Simplify right side
    58,092.12x = 1,624,462,021.47
  5. Step 5: Solve for x
    x = 1,624,462,021.47/58,092.12
  6. Step 6: Final answer
    x = 27,963.55

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1.5x scale

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.