Home / 112,966.22-155,887.77-64,566.70

Finding the Fourth Proportional to 112,966.22, 155,887.77 and 64,566.70

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Solution

The fourth proportional to 112,966.22, 155,887.77 and 64,566.70 is: 89,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,966.22 : 155,887.77 = 64,566.70 : x
  2. Step 2: Convert to fraction form
    112,966.22/155,887.77 = 64,566.70/x
  3. Step 3: Cross multiply
    112,966.22x = 155,887.77 × 64,566.70
  4. Step 4: Simplify right side
    112,966.22x = 10,065,158,731.66
  5. Step 5: Solve for x
    x = 10,065,158,731.66/112,966.22
  6. Step 6: Final answer
    x = 89,098.83

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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.