Home / 91,925.19-126,842.94-51,631.23

Finding the Fourth Proportional to 91,925.19, 126,842.94 and 51,631.23

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Solution

The fourth proportional to 91,925.19, 126,842.94 and 51,631.23 is: 71,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,925.19 : 126,842.94 = 51,631.23 : x
  2. Step 2: Convert to fraction form
    91,925.19/126,842.94 = 51,631.23/x
  3. Step 3: Cross multiply
    91,925.19x = 126,842.94 × 51,631.23
  4. Step 4: Simplify right side
    91,925.19x = 6,549,057,009.02
  5. Step 5: Solve for x
    x = 6,549,057,009.02/91,925.19
  6. Step 6: Final answer
    x = 71,243.33

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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.