Home / 91,684.18-126,525.33-55,877.52

Finding the Fourth Proportional to 91,684.18, 126,525.33 and 55,877.52

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Solution

The fourth proportional to 91,684.18, 126,525.33 and 55,877.52 is: 77,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,684.18 : 126,525.33 = 55,877.52 : x
  2. Step 2: Convert to fraction form
    91,684.18/126,525.33 = 55,877.52/x
  3. Step 3: Cross multiply
    91,684.18x = 126,525.33 × 55,877.52
  4. Step 4: Simplify right side
    91,684.18x = 7,069,921,657.58
  5. Step 5: Solve for x
    x = 7,069,921,657.58/91,684.18
  6. Step 6: Final answer
    x = 77,111.69

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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.