Home / 91,477.01-126,221.65-52,708.79

Finding the Fourth Proportional to 91,477.01, 126,221.65 and 52,708.79

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Solution

The fourth proportional to 91,477.01, 126,221.65 and 52,708.79 is: 72,728.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,477.01 : 126,221.65 = 52,708.79 : x
  2. Step 2: Convert to fraction form
    91,477.01/126,221.65 = 52,708.79/x
  3. Step 3: Cross multiply
    91,477.01x = 126,221.65 × 52,708.79
  4. Step 4: Simplify right side
    91,477.01x = 6,652,990,627.09
  5. Step 5: Solve for x
    x = 6,652,990,627.09/91,477.01
  6. Step 6: Final answer
    x = 72,728.55

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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.