Home / 88,475.65-122,177.54-56,220.91

Finding the Fourth Proportional to 88,475.65, 122,177.54 and 56,220.91

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Solution

The fourth proportional to 88,475.65, 122,177.54 and 56,220.91 is: 77,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,475.65 : 122,177.54 = 56,220.91 : x
  2. Step 2: Convert to fraction form
    88,475.65/122,177.54 = 56,220.91/x
  3. Step 3: Cross multiply
    88,475.65x = 122,177.54 × 56,220.91
  4. Step 4: Simplify right side
    88,475.65x = 6,868,932,315.47
  5. Step 5: Solve for x
    x = 6,868,932,315.47/88,475.65
  6. Step 6: Final answer
    x = 77,636.42

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1.5x scale

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.