Home / 103,625.80-155,438.70-37,068.10

Finding the Fourth Proportional to 103,625.80, 155,438.70 and 37,068.10

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Solution

The fourth proportional to 103,625.80, 155,438.70 and 37,068.10 is: 55,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.80 : 155,438.70 = 37,068.10 : x
  2. Step 2: Convert to fraction form
    103,625.80/155,438.70 = 37,068.10/x
  3. Step 3: Cross multiply
    103,625.80x = 155,438.70 × 37,068.10
  4. Step 4: Simplify right side
    103,625.80x = 5,761,817,275.47
  5. Step 5: Solve for x
    x = 5,761,817,275.47/103,625.80
  6. Step 6: Final answer
    x = 55,602.15

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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.