Home / 88,900.16-122,695.20-58,680.32

Finding the Fourth Proportional to 88,900.16, 122,695.20 and 58,680.32

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Solution

The fourth proportional to 88,900.16, 122,695.20 and 58,680.32 is: 80,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,900.16 : 122,695.20 = 58,680.32 : x
  2. Step 2: Convert to fraction form
    88,900.16/122,695.20 = 58,680.32/x
  3. Step 3: Cross multiply
    88,900.16x = 122,695.20 × 58,680.32
  4. Step 4: Simplify right side
    88,900.16x = 7,199,793,598.46
  5. Step 5: Solve for x
    x = 7,199,793,598.46/88,900.16
  6. Step 6: Final answer
    x = 80,987.41

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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.