Home / 60,138.04-90,228.12-18,585.04

Finding the Fourth Proportional to 60,138.04, 90,228.12 and 18,585.04

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Solution

The fourth proportional to 60,138.04, 90,228.12 and 18,585.04 is: 27,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,138.04 : 90,228.12 = 18,585.04 : x
  2. Step 2: Convert to fraction form
    60,138.04/90,228.12 = 18,585.04/x
  3. Step 3: Cross multiply
    60,138.04x = 90,228.12 × 18,585.04
  4. Step 4: Simplify right side
    60,138.04x = 1,676,893,219.32
  5. Step 5: Solve for x
    x = 1,676,893,219.32/60,138.04
  6. Step 6: Final answer
    x = 27,884.07

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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.