Home / 89,951.12-124,143.48-52,225.36

Finding the Fourth Proportional to 89,951.12, 124,143.48 and 52,225.36

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Solution

The fourth proportional to 89,951.12, 124,143.48 and 52,225.36 is: 72,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,951.12 : 124,143.48 = 52,225.36 : x
  2. Step 2: Convert to fraction form
    89,951.12/124,143.48 = 52,225.36/x
  3. Step 3: Cross multiply
    89,951.12x = 124,143.48 × 52,225.36
  4. Step 4: Simplify right side
    89,951.12x = 6,483,437,934.65
  5. Step 5: Solve for x
    x = 6,483,437,934.65/89,951.12
  6. Step 6: Final answer
    x = 72,077.35

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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.