Home / 89,371.45-133,853.01-42,657.13

Finding the Fourth Proportional to 89,371.45, 133,853.01 and 42,657.13

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Solution

The fourth proportional to 89,371.45, 133,853.01 and 42,657.13 is: 63,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,371.45 : 133,853.01 = 42,657.13 : x
  2. Step 2: Convert to fraction form
    89,371.45/133,853.01 = 42,657.13/x
  3. Step 3: Cross multiply
    89,371.45x = 133,853.01 × 42,657.13
  4. Step 4: Simplify right side
    89,371.45x = 5,709,785,255.81
  5. Step 5: Solve for x
    x = 5,709,785,255.81/89,371.45
  6. Step 6: Final answer
    x = 63,888.25

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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.