Home / 84,688.60-127,038.84-25,524.76

Finding the Fourth Proportional to 84,688.60, 127,038.84 and 25,524.76

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Solution

The fourth proportional to 84,688.60, 127,038.84 and 25,524.76 is: 38,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,688.60 : 127,038.84 = 25,524.76 : x
  2. Step 2: Convert to fraction form
    84,688.60/127,038.84 = 25,524.76/x
  3. Step 3: Cross multiply
    84,688.60x = 127,038.84 × 25,524.76
  4. Step 4: Simplify right side
    84,688.60x = 3,242,635,901.68
  5. Step 5: Solve for x
    x = 3,242,635,901.68/84,688.60
  6. Step 6: Final answer
    x = 38,288.93

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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.