Home / 88,924.91-122,756.41-56,702.72

Finding the Fourth Proportional to 88,924.91, 122,756.41 and 56,702.72

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Solution

The fourth proportional to 88,924.91, 122,756.41 and 56,702.72 is: 78,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,924.91 : 122,756.41 = 56,702.72 : x
  2. Step 2: Convert to fraction form
    88,924.91/122,756.41 = 56,702.72/x
  3. Step 3: Cross multiply
    88,924.91x = 122,756.41 × 56,702.72
  4. Step 4: Simplify right side
    88,924.91x = 6,960,622,549.58
  5. Step 5: Solve for x
    x = 6,960,622,549.58/88,924.91
  6. Step 6: Final answer
    x = 78,275.28

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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.