Home / 72,125.04-108,182.04-19,533.12

Finding the Fourth Proportional to 72,125.04, 108,182.04 and 19,533.12

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Solution

The fourth proportional to 72,125.04, 108,182.04 and 19,533.12 is: 29,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125.04 : 108,182.04 = 19,533.12 : x
  2. Step 2: Convert to fraction form
    72,125.04/108,182.04 = 19,533.12/x
  3. Step 3: Cross multiply
    72,125.04x = 108,182.04 × 19,533.12
  4. Step 4: Simplify right side
    72,125.04x = 2,113,132,769.16
  5. Step 5: Solve for x
    x = 2,113,132,769.16/72,125.04
  6. Step 6: Final answer
    x = 29,298.19

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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.