Home / 91,319.89-126,060.24-55,521.33

Finding the Fourth Proportional to 91,319.89, 126,060.24 and 55,521.33

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Solution

The fourth proportional to 91,319.89, 126,060.24 and 55,521.33 is: 76,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,319.89 : 126,060.24 = 55,521.33 : x
  2. Step 2: Convert to fraction form
    91,319.89/126,060.24 = 55,521.33/x
  3. Step 3: Cross multiply
    91,319.89x = 126,060.24 × 55,521.33
  4. Step 4: Simplify right side
    91,319.89x = 6,999,032,184.92
  5. Step 5: Solve for x
    x = 6,999,032,184.92/91,319.89
  6. Step 6: Final answer
    x = 76,643.02

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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.