Home / 103,530.15-155,240.55-44,298.90

Finding the Fourth Proportional to 103,530.15, 155,240.55 and 44,298.90

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Solution

The fourth proportional to 103,530.15, 155,240.55 and 44,298.90 is: 66,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,530.15 : 155,240.55 = 44,298.90 : x
  2. Step 2: Convert to fraction form
    103,530.15/155,240.55 = 44,298.90/x
  3. Step 3: Cross multiply
    103,530.15x = 155,240.55 × 44,298.90
  4. Step 4: Simplify right side
    103,530.15x = 6,876,985,600.40
  5. Step 5: Solve for x
    x = 6,876,985,600.40/103,530.15
  6. Step 6: Final answer
    x = 66,424.96

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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.