Home / 72,341.28-108,544.32-57,502.08

Finding the Fourth Proportional to 72,341.28, 108,544.32 and 57,502.08

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Solution

The fourth proportional to 72,341.28, 108,544.32 and 57,502.08 is: 86,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,341.28 : 108,544.32 = 57,502.08 : x
  2. Step 2: Convert to fraction form
    72,341.28/108,544.32 = 57,502.08/x
  3. Step 3: Cross multiply
    72,341.28x = 108,544.32 × 57,502.08
  4. Step 4: Simplify right side
    72,341.28x = 6,241,524,172.19
  5. Step 5: Solve for x
    x = 6,241,524,172.19/72,341.28
  6. Step 6: Final answer
    x = 86,278.87

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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.