Home / 58,210.88-87,329.24-31,902.08

Finding the Fourth Proportional to 58,210.88, 87,329.24 and 31,902.08

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Solution

The fourth proportional to 58,210.88, 87,329.24 and 31,902.08 is: 47,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,210.88 : 87,329.24 = 31,902.08 : x
  2. Step 2: Convert to fraction form
    58,210.88/87,329.24 = 31,902.08/x
  3. Step 3: Cross multiply
    58,210.88x = 87,329.24 × 31,902.08
  4. Step 4: Simplify right side
    58,210.88x = 2,785,984,400.82
  5. Step 5: Solve for x
    x = 2,785,984,400.82/58,210.88
  6. Step 6: Final answer
    x = 47,860.20

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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.