Home / 91,521.36-126,301.60-51,234.08

Finding the Fourth Proportional to 91,521.36, 126,301.60 and 51,234.08

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Solution

The fourth proportional to 91,521.36, 126,301.60 and 51,234.08 is: 70,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,521.36 : 126,301.60 = 51,234.08 : x
  2. Step 2: Convert to fraction form
    91,521.36/126,301.60 = 51,234.08/x
  3. Step 3: Cross multiply
    91,521.36x = 126,301.60 × 51,234.08
  4. Step 4: Simplify right side
    91,521.36x = 6,470,946,278.53
  5. Step 5: Solve for x
    x = 6,470,946,278.53/91,521.36
  6. Step 6: Final answer
    x = 70,704.22

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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.