Home / 96,291.27-144,471.08-42,978.39

Finding the Fourth Proportional to 96,291.27, 144,471.08 and 42,978.39

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Solution

The fourth proportional to 96,291.27, 144,471.08 and 42,978.39 is: 64,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,291.27 : 144,471.08 = 42,978.39 : x
  2. Step 2: Convert to fraction form
    96,291.27/144,471.08 = 42,978.39/x
  3. Step 3: Cross multiply
    96,291.27x = 144,471.08 × 42,978.39
  4. Step 4: Simplify right side
    96,291.27x = 6,209,134,419.96
  5. Step 5: Solve for x
    x = 6,209,134,419.96/96,291.27
  6. Step 6: Final answer
    x = 64,482.84

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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.