Home / 88,647.04-122,295.36-56,805.76

Finding the Fourth Proportional to 88,647.04, 122,295.36 and 56,805.76

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Solution

The fourth proportional to 88,647.04, 122,295.36 and 56,805.76 is: 78,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,647.04 : 122,295.36 = 56,805.76 : x
  2. Step 2: Convert to fraction form
    88,647.04/122,295.36 = 56,805.76/x
  3. Step 3: Cross multiply
    88,647.04x = 122,295.36 × 56,805.76
  4. Step 4: Simplify right side
    88,647.04x = 6,947,080,869.27
  5. Step 5: Solve for x
    x = 6,947,080,869.27/88,647.04
  6. Step 6: Final answer
    x = 78,367.88

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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.