Home / 42,616.40-63,847.80-37,701.20

Finding the Fourth Proportional to 42,616.40, 63,847.80 and 37,701.20

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Solution

The fourth proportional to 42,616.40, 63,847.80 and 37,701.20 is: 56,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616.40 : 63,847.80 = 37,701.20 : x
  2. Step 2: Convert to fraction form
    42,616.40/63,847.80 = 37,701.20/x
  3. Step 3: Cross multiply
    42,616.40x = 63,847.80 × 37,701.20
  4. Step 4: Simplify right side
    42,616.40x = 2,407,138,677.36
  5. Step 5: Solve for x
    x = 2,407,138,677.36/42,616.40
  6. Step 6: Final answer
    x = 56,483.86

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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.