Home / 91,319.19-126,020.11-51,032.94

Finding the Fourth Proportional to 91,319.19, 126,020.11 and 51,032.94

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Solution

The fourth proportional to 91,319.19, 126,020.11 and 51,032.94 is: 70,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,319.19 : 126,020.11 = 51,032.94 : x
  2. Step 2: Convert to fraction form
    91,319.19/126,020.11 = 51,032.94/x
  3. Step 3: Cross multiply
    91,319.19x = 126,020.11 × 51,032.94
  4. Step 4: Simplify right side
    91,319.19x = 6,431,175,827.16
  5. Step 5: Solve for x
    x = 6,431,175,827.16/91,319.19
  6. Step 6: Final answer
    x = 70,425.24

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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.