Home / 84,386.41-126,614.54-36,977.04

Finding the Fourth Proportional to 84,386.41, 126,614.54 and 36,977.04

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Solution

The fourth proportional to 84,386.41, 126,614.54 and 36,977.04 is: 55,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,386.41 : 126,614.54 = 36,977.04 : x
  2. Step 2: Convert to fraction form
    84,386.41/126,614.54 = 36,977.04/x
  3. Step 3: Cross multiply
    84,386.41x = 126,614.54 × 36,977.04
  4. Step 4: Simplify right side
    84,386.41x = 4,681,831,002.60
  5. Step 5: Solve for x
    x = 4,681,831,002.60/84,386.41
  6. Step 6: Final answer
    x = 55,480.87

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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.