Home / 91,521.48-126,302.04-51,235.06

Finding the Fourth Proportional to 91,521.48, 126,302.04 and 51,235.06

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Solution

The fourth proportional to 91,521.48, 126,302.04 and 51,235.06 is: 70,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,521.48 : 126,302.04 = 51,235.06 : x
  2. Step 2: Convert to fraction form
    91,521.48/126,302.04 = 51,235.06/x
  3. Step 3: Cross multiply
    91,521.48x = 126,302.04 × 51,235.06
  4. Step 4: Simplify right side
    91,521.48x = 6,471,092,597.52
  5. Step 5: Solve for x
    x = 6,471,092,597.52/91,521.48
  6. Step 6: Final answer
    x = 70,705.73

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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.