Home / 91,329.86-126,036.63-51,046.25

Finding the Fourth Proportional to 91,329.86, 126,036.63 and 51,046.25

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Solution

The fourth proportional to 91,329.86, 126,036.63 and 51,046.25 is: 70,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,329.86 : 126,036.63 = 51,046.25 : x
  2. Step 2: Convert to fraction form
    91,329.86/126,036.63 = 51,046.25/x
  3. Step 3: Cross multiply
    91,329.86x = 126,036.63 × 51,046.25
  4. Step 4: Simplify right side
    91,329.86x = 6,433,696,693.95
  5. Step 5: Solve for x
    x = 6,433,696,693.95/91,329.86
  6. Step 6: Final answer
    x = 70,444.62

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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.