Home / 91,507.32-126,282.24-51,220.08

Finding the Fourth Proportional to 91,507.32, 126,282.24 and 51,220.08

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Solution

The fourth proportional to 91,507.32, 126,282.24 and 51,220.08 is: 70,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,507.32 : 126,282.24 = 51,220.08 : x
  2. Step 2: Convert to fraction form
    91,507.32/126,282.24 = 51,220.08/x
  3. Step 3: Cross multiply
    91,507.32x = 126,282.24 × 51,220.08
  4. Step 4: Simplify right side
    91,507.32x = 6,468,186,435.38
  5. Step 5: Solve for x
    x = 6,468,186,435.38/91,507.32
  6. Step 6: Final answer
    x = 70,684.91

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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.