Home / 90,035.18-124,248.06-49,748.96

Finding the Fourth Proportional to 90,035.18, 124,248.06 and 49,748.96

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Solution

The fourth proportional to 90,035.18, 124,248.06 and 49,748.96 is: 68,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,035.18 : 124,248.06 = 49,748.96 : x
  2. Step 2: Convert to fraction form
    90,035.18/124,248.06 = 49,748.96/x
  3. Step 3: Cross multiply
    90,035.18x = 124,248.06 × 49,748.96
  4. Step 4: Simplify right side
    90,035.18x = 6,181,211,767.02
  5. Step 5: Solve for x
    x = 6,181,211,767.02/90,035.18
  6. Step 6: Final answer
    x = 68,653.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.