Home / 91,344.16-126,038.82-51,045.04

Finding the Fourth Proportional to 91,344.16, 126,038.82 and 51,045.04

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Solution

The fourth proportional to 91,344.16, 126,038.82 and 51,045.04 is: 70,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,344.16 : 126,038.82 = 51,045.04 : x
  2. Step 2: Convert to fraction form
    91,344.16/126,038.82 = 51,045.04/x
  3. Step 3: Cross multiply
    91,344.16x = 126,038.82 × 51,045.04
  4. Step 4: Simplify right side
    91,344.16x = 6,433,656,608.45
  5. Step 5: Solve for x
    x = 6,433,656,608.45/91,344.16
  6. Step 6: Final answer
    x = 70,433.15

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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.