Home / 88,619.57-122,306.76-56,357.24

Finding the Fourth Proportional to 88,619.57, 122,306.76 and 56,357.24

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Solution

The fourth proportional to 88,619.57, 122,306.76 and 56,357.24 is: 77,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,619.57 : 122,306.76 = 56,357.24 : x
  2. Step 2: Convert to fraction form
    88,619.57/122,306.76 = 56,357.24/x
  3. Step 3: Cross multiply
    88,619.57x = 122,306.76 × 56,357.24
  4. Step 4: Simplify right side
    88,619.57x = 6,892,870,815.41
  5. Step 5: Solve for x
    x = 6,892,870,815.41/88,619.57
  6. Step 6: Final answer
    x = 77,780.46

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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.