Home / 103,640.88-155,444.85-37,068.60

Finding the Fourth Proportional to 103,640.88, 155,444.85 and 37,068.60

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Solution

The fourth proportional to 103,640.88, 155,444.85 and 37,068.60 is: 55,597.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.88 : 155,444.85 = 37,068.60 : x
  2. Step 2: Convert to fraction form
    103,640.88/155,444.85 = 37,068.60/x
  3. Step 3: Cross multiply
    103,640.88x = 155,444.85 × 37,068.60
  4. Step 4: Simplify right side
    103,640.88x = 5,762,122,966.71
  5. Step 5: Solve for x
    x = 5,762,122,966.71/103,640.88
  6. Step 6: Final answer
    x = 55,597.01

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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.