Home / 84,763.90-127,145.85-22,434.40

Finding the Fourth Proportional to 84,763.90, 127,145.85 and 22,434.40

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Solution

The fourth proportional to 84,763.90, 127,145.85 and 22,434.40 is: 33,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,763.90 : 127,145.85 = 22,434.40 : x
  2. Step 2: Convert to fraction form
    84,763.90/127,145.85 = 22,434.40/x
  3. Step 3: Cross multiply
    84,763.90x = 127,145.85 × 22,434.40
  4. Step 4: Simplify right side
    84,763.90x = 2,852,440,857.24
  5. Step 5: Solve for x
    x = 2,852,440,857.24/84,763.90
  6. Step 6: Final answer
    x = 33,651.60

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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.