Home / 84,822.60-127,233.90-51,607.80

Finding the Fourth Proportional to 84,822.60, 127,233.90 and 51,607.80

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Solution

The fourth proportional to 84,822.60, 127,233.90 and 51,607.80 is: 77,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,822.60 : 127,233.90 = 51,607.80 : x
  2. Step 2: Convert to fraction form
    84,822.60/127,233.90 = 51,607.80/x
  3. Step 3: Cross multiply
    84,822.60x = 127,233.90 × 51,607.80
  4. Step 4: Simplify right side
    84,822.60x = 6,566,261,664.42
  5. Step 5: Solve for x
    x = 6,566,261,664.42/84,822.60
  6. Step 6: Final answer
    x = 77,411.70

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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.