Home / 58,158.16-87,275.44-31,881.52

Finding the Fourth Proportional to 58,158.16, 87,275.44 and 31,881.52

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Solution

The fourth proportional to 58,158.16, 87,275.44 and 31,881.52 is: 47,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,158.16 : 87,275.44 = 31,881.52 : x
  2. Step 2: Convert to fraction form
    58,158.16/87,275.44 = 31,881.52/x
  3. Step 3: Cross multiply
    58,158.16x = 87,275.44 × 31,881.52
  4. Step 4: Simplify right side
    58,158.16x = 2,782,473,685.87
  5. Step 5: Solve for x
    x = 2,782,473,685.87/58,158.16
  6. Step 6: Final answer
    x = 47,843.22

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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.