Home / 85,114.40-127,669.74-22,784.92

Finding the Fourth Proportional to 85,114.40, 127,669.74 and 22,784.92

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Solution

The fourth proportional to 85,114.40, 127,669.74 and 22,784.92 is: 34,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,114.40 : 127,669.74 = 22,784.92 : x
  2. Step 2: Convert to fraction form
    85,114.40/127,669.74 = 22,784.92/x
  3. Step 3: Cross multiply
    85,114.40x = 127,669.74 × 22,784.92
  4. Step 4: Simplify right side
    85,114.40x = 2,908,944,812.32
  5. Step 5: Solve for x
    x = 2,908,944,812.32/85,114.40
  6. Step 6: Final answer
    x = 34,176.88

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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.