Home / 85,088.61-127,623.20-22,763.97

Finding the Fourth Proportional to 85,088.61, 127,623.20 and 22,763.97

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Solution

The fourth proportional to 85,088.61, 127,623.20 and 22,763.97 is: 34,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,088.61 : 127,623.20 = 22,763.97 : x
  2. Step 2: Convert to fraction form
    85,088.61/127,623.20 = 22,763.97/x
  3. Step 3: Cross multiply
    85,088.61x = 127,623.20 × 22,763.97
  4. Step 4: Simplify right side
    85,088.61x = 2,905,210,582.28
  5. Step 5: Solve for x
    x = 2,905,210,582.28/85,088.61
  6. Step 6: Final answer
    x = 34,143.35

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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.