Home / 91,548.78-126,322.69-51,264.24

Finding the Fourth Proportional to 91,548.78, 126,322.69 and 51,264.24

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Solution

The fourth proportional to 91,548.78, 126,322.69 and 51,264.24 is: 70,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,548.78 : 126,322.69 = 51,264.24 : x
  2. Step 2: Convert to fraction form
    91,548.78/126,322.69 = 51,264.24/x
  3. Step 3: Cross multiply
    91,548.78x = 126,322.69 × 51,264.24
  4. Step 4: Simplify right side
    91,548.78x = 6,475,836,697.61
  5. Step 5: Solve for x
    x = 6,475,836,697.61/91,548.78
  6. Step 6: Final answer
    x = 70,736.46

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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.