Home / 84,820.10-127,230.15-29,416.10

Finding the Fourth Proportional to 84,820.10, 127,230.15 and 29,416.10

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Solution

The fourth proportional to 84,820.10, 127,230.15 and 29,416.10 is: 44,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,820.10 : 127,230.15 = 29,416.10 : x
  2. Step 2: Convert to fraction form
    84,820.10/127,230.15 = 29,416.10/x
  3. Step 3: Cross multiply
    84,820.10x = 127,230.15 × 29,416.10
  4. Step 4: Simplify right side
    84,820.10x = 3,742,614,815.42
  5. Step 5: Solve for x
    x = 3,742,614,815.42/84,820.10
  6. Step 6: Final answer
    x = 44,124.15

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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.