Home / 91,693.17-126,537.06-53,479.26

Finding the Fourth Proportional to 91,693.17, 126,537.06 and 53,479.26

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Solution

The fourth proportional to 91,693.17, 126,537.06 and 53,479.26 is: 73,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,693.17 : 126,537.06 = 53,479.26 : x
  2. Step 2: Convert to fraction form
    91,693.17/126,537.06 = 53,479.26/x
  3. Step 3: Cross multiply
    91,693.17x = 126,537.06 × 53,479.26
  4. Step 4: Simplify right side
    91,693.17x = 6,767,108,331.38
  5. Step 5: Solve for x
    x = 6,767,108,331.38/91,693.17
  6. Step 6: Final answer
    x = 73,801.66

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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.