Home / 85,549.59-118,065.74-49,737.33

Finding the Fourth Proportional to 85,549.59, 118,065.74 and 49,737.33

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Solution

The fourth proportional to 85,549.59, 118,065.74 and 49,737.33 is: 68,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,549.59 : 118,065.74 = 49,737.33 : x
  2. Step 2: Convert to fraction form
    85,549.59/118,065.74 = 49,737.33/x
  3. Step 3: Cross multiply
    85,549.59x = 118,065.74 × 49,737.33
  4. Step 4: Simplify right side
    85,549.59x = 5,872,274,423.39
  5. Step 5: Solve for x
    x = 5,872,274,423.39/85,549.59
  6. Step 6: Final answer
    x = 68,641.76

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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.