Home / 91,569.42-126,368.91-51,284.88

Finding the Fourth Proportional to 91,569.42, 126,368.91 and 51,284.88

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Solution

The fourth proportional to 91,569.42, 126,368.91 and 51,284.88 is: 70,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,569.42 : 126,368.91 = 51,284.88 : x
  2. Step 2: Convert to fraction form
    91,569.42/126,368.91 = 51,284.88/x
  3. Step 3: Cross multiply
    91,569.42x = 126,368.91 × 51,284.88
  4. Step 4: Simplify right side
    91,569.42x = 6,480,814,385.08
  5. Step 5: Solve for x
    x = 6,480,814,385.08/91,569.42
  6. Step 6: Final answer
    x = 70,774.88

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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.