Home / 91,551.35-126,344.48-51,264.77

Finding the Fourth Proportional to 91,551.35, 126,344.48 and 51,264.77

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Solution

The fourth proportional to 91,551.35, 126,344.48 and 51,264.77 is: 70,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,551.35 : 126,344.48 = 51,264.77 : x
  2. Step 2: Convert to fraction form
    91,551.35/126,344.48 = 51,264.77/x
  3. Step 3: Cross multiply
    91,551.35x = 126,344.48 × 51,264.77
  4. Step 4: Simplify right side
    91,551.35x = 6,477,019,819.92
  5. Step 5: Solve for x
    x = 6,477,019,819.92/91,551.35
  6. Step 6: Final answer
    x = 70,747.40

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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.