Home / 88,638.80-122,341.27-56,366.88

Finding the Fourth Proportional to 88,638.80, 122,341.27 and 56,366.88

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Solution

The fourth proportional to 88,638.80, 122,341.27 and 56,366.88 is: 77,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,638.80 : 122,341.27 = 56,366.88 : x
  2. Step 2: Convert to fraction form
    88,638.80/122,341.27 = 56,366.88/x
  3. Step 3: Cross multiply
    88,638.80x = 122,341.27 × 56,366.88
  4. Step 4: Simplify right side
    88,638.80x = 6,895,996,131.91
  5. Step 5: Solve for x
    x = 6,895,996,131.91/88,638.80
  6. Step 6: Final answer
    x = 77,798.84

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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.