Home / 103,612.48-155,385.80-44,432.24

Finding the Fourth Proportional to 103,612.48, 155,385.80 and 44,432.24

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Solution

The fourth proportional to 103,612.48, 155,385.80 and 44,432.24 is: 66,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612.48 : 155,385.80 = 44,432.24 : x
  2. Step 2: Convert to fraction form
    103,612.48/155,385.80 = 44,432.24/x
  3. Step 3: Cross multiply
    103,612.48x = 155,385.80 × 44,432.24
  4. Step 4: Simplify right side
    103,612.48x = 6,904,139,158.19
  5. Step 5: Solve for x
    x = 6,904,139,158.19/103,612.48
  6. Step 6: Final answer
    x = 66,634.24

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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.