Home / 89,505.61-134,258.41-42,616.33

Finding the Fourth Proportional to 89,505.61, 134,258.41 and 42,616.33

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Solution

The fourth proportional to 89,505.61, 134,258.41 and 42,616.33 is: 63,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.61 : 134,258.41 = 42,616.33 : x
  2. Step 2: Convert to fraction form
    89,505.61/134,258.41 = 42,616.33/x
  3. Step 3: Cross multiply
    89,505.61x = 134,258.41 × 42,616.33
  4. Step 4: Simplify right side
    89,505.61x = 5,721,600,423.46
  5. Step 5: Solve for x
    x = 5,721,600,423.46/89,505.61
  6. Step 6: Final answer
    x = 63,924.49

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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.