Home / 91,347.76-126,057.69-51,066.26

Finding the Fourth Proportional to 91,347.76, 126,057.69 and 51,066.26

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Solution

The fourth proportional to 91,347.76, 126,057.69 and 51,066.26 is: 70,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,347.76 : 126,057.69 = 51,066.26 : x
  2. Step 2: Convert to fraction form
    91,347.76/126,057.69 = 51,066.26/x
  3. Step 3: Cross multiply
    91,347.76x = 126,057.69 × 51,066.26
  4. Step 4: Simplify right side
    91,347.76x = 6,437,294,423.47
  5. Step 5: Solve for x
    x = 6,437,294,423.47/91,347.76
  6. Step 6: Final answer
    x = 70,470.19

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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.