Home / 89,988.47-134,961.95-26,802.85

Finding the Fourth Proportional to 89,988.47, 134,961.95 and 26,802.85

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Solution

The fourth proportional to 89,988.47, 134,961.95 and 26,802.85 is: 40,198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,988.47 : 134,961.95 = 26,802.85 : x
  2. Step 2: Convert to fraction form
    89,988.47/134,961.95 = 26,802.85/x
  3. Step 3: Cross multiply
    89,988.47x = 134,961.95 × 26,802.85
  4. Step 4: Simplify right side
    89,988.47x = 3,617,364,733.45
  5. Step 5: Solve for x
    x = 3,617,364,733.45/89,988.47
  6. Step 6: Final answer
    x = 40,198.09

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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.