Home / 89,925.12-124,095.96-49,638.87

Finding the Fourth Proportional to 89,925.12, 124,095.96 and 49,638.87

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Solution

The fourth proportional to 89,925.12, 124,095.96 and 49,638.87 is: 68,501.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.12 : 124,095.96 = 49,638.87 : x
  2. Step 2: Convert to fraction form
    89,925.12/124,095.96 = 49,638.87/x
  3. Step 3: Cross multiply
    89,925.12x = 124,095.96 × 49,638.87
  4. Step 4: Simplify right side
    89,925.12x = 6,159,983,225.97
  5. Step 5: Solve for x
    x = 6,159,983,225.97/89,925.12
  6. Step 6: Final answer
    x = 68,501.25

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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.