Home / 91,335.36-126,026.40-51,049.92

Finding the Fourth Proportional to 91,335.36, 126,026.40 and 51,049.92

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Solution

The fourth proportional to 91,335.36, 126,026.40 and 51,049.92 is: 70,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,335.36 : 126,026.40 = 51,049.92 : x
  2. Step 2: Convert to fraction form
    91,335.36/126,026.40 = 51,049.92/x
  3. Step 3: Cross multiply
    91,335.36x = 126,026.40 × 51,049.92
  4. Step 4: Simplify right side
    91,335.36x = 6,433,637,637.89
  5. Step 5: Solve for x
    x = 6,433,637,637.89/91,335.36
  6. Step 6: Final answer
    x = 70,439.72

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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.