Home / 89,946.41-134,917.72-29,979.22

Finding the Fourth Proportional to 89,946.41, 134,917.72 and 29,979.22

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Solution

The fourth proportional to 89,946.41, 134,917.72 and 29,979.22 is: 44,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,946.41 : 134,917.72 = 29,979.22 : x
  2. Step 2: Convert to fraction form
    89,946.41/134,917.72 = 29,979.22/x
  3. Step 3: Cross multiply
    89,946.41x = 134,917.72 × 29,979.22
  4. Step 4: Simplify right side
    89,946.41x = 4,044,727,934.83
  5. Step 5: Solve for x
    x = 4,044,727,934.83/89,946.41
  6. Step 6: Final answer
    x = 44,968.20

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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.