Home / 91,320.72-126,022.76-51,034.48

Finding the Fourth Proportional to 91,320.72, 126,022.76 and 51,034.48

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Solution

The fourth proportional to 91,320.72, 126,022.76 and 51,034.48 is: 70,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,320.72 : 126,022.76 = 51,034.48 : x
  2. Step 2: Convert to fraction form
    91,320.72/126,022.76 = 51,034.48/x
  3. Step 3: Cross multiply
    91,320.72x = 126,022.76 × 51,034.48
  4. Step 4: Simplify right side
    91,320.72x = 6,431,506,024.76
  5. Step 5: Solve for x
    x = 6,431,506,024.76/91,320.72
  6. Step 6: Final answer
    x = 70,427.68

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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.