Home / 88,159.02-121,658.46-49,917.48

Finding the Fourth Proportional to 88,159.02, 121,658.46 and 49,917.48

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Solution

The fourth proportional to 88,159.02, 121,658.46 and 49,917.48 is: 68,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,159.02 : 121,658.46 = 49,917.48 : x
  2. Step 2: Convert to fraction form
    88,159.02/121,658.46 = 49,917.48/x
  3. Step 3: Cross multiply
    88,159.02x = 121,658.46 × 49,917.48
  4. Step 4: Simplify right side
    88,159.02x = 6,072,883,743.88
  5. Step 5: Solve for x
    x = 6,072,883,743.88/88,159.02
  6. Step 6: Final answer
    x = 68,885.56

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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.