Home / 84,721.98-127,083.88-25,558.16

Finding the Fourth Proportional to 84,721.98, 127,083.88 and 25,558.16

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Solution

The fourth proportional to 84,721.98, 127,083.88 and 25,558.16 is: 38,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.98 : 127,083.88 = 25,558.16 : x
  2. Step 2: Convert to fraction form
    84,721.98/127,083.88 = 25,558.16/x
  3. Step 3: Cross multiply
    84,721.98x = 127,083.88 × 25,558.16
  4. Step 4: Simplify right side
    84,721.98x = 3,248,029,915.71
  5. Step 5: Solve for x
    x = 3,248,029,915.71/84,721.98
  6. Step 6: Final answer
    x = 38,337.51

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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.