Home / 103,625.90-155,438.85-37,068.20

Finding the Fourth Proportional to 103,625.90, 155,438.85 and 37,068.20

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Solution

The fourth proportional to 103,625.90, 155,438.85 and 37,068.20 is: 55,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.90 : 155,438.85 = 37,068.20 : x
  2. Step 2: Convert to fraction form
    103,625.90/155,438.85 = 37,068.20/x
  3. Step 3: Cross multiply
    103,625.90x = 155,438.85 × 37,068.20
  4. Step 4: Simplify right side
    103,625.90x = 5,761,838,379.57
  5. Step 5: Solve for x
    x = 5,761,838,379.57/103,625.90
  6. Step 6: Final answer
    x = 55,602.30

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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.