Home / 84,721.95-127,083.83-25,558.13

Finding the Fourth Proportional to 84,721.95, 127,083.83 and 25,558.13

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Solution

The fourth proportional to 84,721.95, 127,083.83 and 25,558.13 is: 38,337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.95 : 127,083.83 = 25,558.13 : x
  2. Step 2: Convert to fraction form
    84,721.95/127,083.83 = 25,558.13/x
  3. Step 3: Cross multiply
    84,721.95x = 127,083.83 × 25,558.13
  4. Step 4: Simplify right side
    84,721.95x = 3,248,024,730.33
  5. Step 5: Solve for x
    x = 3,248,024,730.33/84,721.95
  6. Step 6: Final answer
    x = 38,337.47

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1.5x scale

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.