Home / 87,823.04-131,733.95-21,263.51

Finding the Fourth Proportional to 87,823.04, 131,733.95 and 21,263.51

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Solution

The fourth proportional to 87,823.04, 131,733.95 and 21,263.51 is: 31,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.04 : 131,733.95 = 21,263.51 : x
  2. Step 2: Convert to fraction form
    87,823.04/131,733.95 = 21,263.51/x
  3. Step 3: Cross multiply
    87,823.04x = 131,733.95 × 21,263.51
  4. Step 4: Simplify right side
    87,823.04x = 2,801,126,386.18
  5. Step 5: Solve for x
    x = 2,801,126,386.18/87,823.04
  6. Step 6: Final answer
    x = 31,895.12

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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.