Home / 91,561.32-126,344.18-51,269.48

Finding the Fourth Proportional to 91,561.32, 126,344.18 and 51,269.48

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Solution

The fourth proportional to 91,561.32, 126,344.18 and 51,269.48 is: 70,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,561.32 : 126,344.18 = 51,269.48 : x
  2. Step 2: Convert to fraction form
    91,561.32/126,344.18 = 51,269.48/x
  3. Step 3: Cross multiply
    91,561.32x = 126,344.18 × 51,269.48
  4. Step 4: Simplify right side
    91,561.32x = 6,477,600,409.63
  5. Step 5: Solve for x
    x = 6,477,600,409.63/91,561.32
  6. Step 6: Final answer
    x = 70,746.04

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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.