Home / 88,089.10-121,534.68-49,321.22

Finding the Fourth Proportional to 88,089.10, 121,534.68 and 49,321.22

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Solution

The fourth proportional to 88,089.10, 121,534.68 and 49,321.22 is: 68,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089.10 : 121,534.68 = 49,321.22 : x
  2. Step 2: Convert to fraction form
    88,089.10/121,534.68 = 49,321.22/x
  3. Step 3: Cross multiply
    88,089.10x = 121,534.68 × 49,321.22
  4. Step 4: Simplify right side
    88,089.10x = 5,994,238,689.91
  5. Step 5: Solve for x
    x = 5,994,238,689.91/88,089.10
  6. Step 6: Final answer
    x = 68,047.45

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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.