Home / 84,538.95-126,810.73-25,374.62

Finding the Fourth Proportional to 84,538.95, 126,810.73 and 25,374.62

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Solution

The fourth proportional to 84,538.95, 126,810.73 and 25,374.62 is: 38,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,538.95 : 126,810.73 = 25,374.62 : x
  2. Step 2: Convert to fraction form
    84,538.95/126,810.73 = 25,374.62/x
  3. Step 3: Cross multiply
    84,538.95x = 126,810.73 × 25,374.62
  4. Step 4: Simplify right side
    84,538.95x = 3,217,774,085.67
  5. Step 5: Solve for x
    x = 3,217,774,085.67/84,538.95
  6. Step 6: Final answer
    x = 38,062.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.