Home / 91,760.54-126,643.68-51,490.58

Finding the Fourth Proportional to 91,760.54, 126,643.68 and 51,490.58

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Solution

The fourth proportional to 91,760.54, 126,643.68 and 51,490.58 is: 71,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760.54 : 126,643.68 = 51,490.58 : x
  2. Step 2: Convert to fraction form
    91,760.54/126,643.68 = 51,490.58/x
  3. Step 3: Cross multiply
    91,760.54x = 126,643.68 × 51,490.58
  4. Step 4: Simplify right side
    91,760.54x = 6,520,956,536.53
  5. Step 5: Solve for x
    x = 6,520,956,536.53/91,760.54
  6. Step 6: Final answer
    x = 71,064.93

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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.