Home / 91,193.85-125,868.51-53,480.25

Finding the Fourth Proportional to 91,193.85, 125,868.51 and 53,480.25

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Solution

The fourth proportional to 91,193.85, 125,868.51 and 53,480.25 is: 73,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,193.85 : 125,868.51 = 53,480.25 : x
  2. Step 2: Convert to fraction form
    91,193.85/125,868.51 = 53,480.25/x
  3. Step 3: Cross multiply
    91,193.85x = 125,868.51 × 53,480.25
  4. Step 4: Simplify right side
    91,193.85x = 6,731,479,381.93
  5. Step 5: Solve for x
    x = 6,731,479,381.93/91,193.85
  6. Step 6: Final answer
    x = 73,815.06

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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.