Home / 91,478.01-126,223.03-52,709.79

Finding the Fourth Proportional to 91,478.01, 126,223.03 and 52,709.79

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Solution

The fourth proportional to 91,478.01, 126,223.03 and 52,709.79 is: 72,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,478.01 : 126,223.03 = 52,709.79 : x
  2. Step 2: Convert to fraction form
    91,478.01/126,223.03 = 52,709.79/x
  3. Step 3: Cross multiply
    91,478.01x = 126,223.03 × 52,709.79
  4. Step 4: Simplify right side
    91,478.01x = 6,653,189,404.46
  5. Step 5: Solve for x
    x = 6,653,189,404.46/91,478.01
  6. Step 6: Final answer
    x = 72,729.93

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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.