Home / 89,924.13-124,095.32-49,637.90

Finding the Fourth Proportional to 89,924.13, 124,095.32 and 49,637.90

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Solution

The fourth proportional to 89,924.13, 124,095.32 and 49,637.90 is: 68,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,924.13 : 124,095.32 = 49,637.90 : x
  2. Step 2: Convert to fraction form
    89,924.13/124,095.32 = 49,637.90/x
  3. Step 3: Cross multiply
    89,924.13x = 124,095.32 × 49,637.90
  4. Step 4: Simplify right side
    89,924.13x = 6,159,830,215.96
  5. Step 5: Solve for x
    x = 6,159,830,215.96/89,924.13
  6. Step 6: Final answer
    x = 68,500.30

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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.