Home / 89,981.69-124,133.51-52,248.65

Finding the Fourth Proportional to 89,981.69, 124,133.51 and 52,248.65

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Solution

The fourth proportional to 89,981.69, 124,133.51 and 52,248.65 is: 72,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.69 : 124,133.51 = 52,248.65 : x
  2. Step 2: Convert to fraction form
    89,981.69/124,133.51 = 52,248.65/x
  3. Step 3: Cross multiply
    89,981.69x = 124,133.51 × 52,248.65
  4. Step 4: Simplify right side
    89,981.69x = 6,485,807,827.22
  5. Step 5: Solve for x
    x = 6,485,807,827.22/89,981.69
  6. Step 6: Final answer
    x = 72,079.20

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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.