Home / 91,588.80-126,394.56-51,305.52

Finding the Fourth Proportional to 91,588.80, 126,394.56 and 51,305.52

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Solution

The fourth proportional to 91,588.80, 126,394.56 and 51,305.52 is: 70,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,588.80 : 126,394.56 = 51,305.52 : x
  2. Step 2: Convert to fraction form
    91,588.80/126,394.56 = 51,305.52/x
  3. Step 3: Cross multiply
    91,588.80x = 126,394.56 × 51,305.52
  4. Step 4: Simplify right side
    91,588.80x = 6,484,738,625.97
  5. Step 5: Solve for x
    x = 6,484,738,625.97/91,588.80
  6. Step 6: Final answer
    x = 70,802.75

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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.