Home / 91,998.02-126,960.86-51,711.66

Finding the Fourth Proportional to 91,998.02, 126,960.86 and 51,711.66

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Solution

The fourth proportional to 91,998.02, 126,960.86 and 51,711.66 is: 71,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,998.02 : 126,960.86 = 51,711.66 : x
  2. Step 2: Convert to fraction form
    91,998.02/126,960.86 = 51,711.66/x
  3. Step 3: Cross multiply
    91,998.02x = 126,960.86 × 51,711.66
  4. Step 4: Simplify right side
    91,998.02x = 6,565,356,567.07
  5. Step 5: Solve for x
    x = 6,565,356,567.07/91,998.02
  6. Step 6: Final answer
    x = 71,364.11

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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.