Home / 95,134.68-131,312.88-57,411.36

Finding the Fourth Proportional to 95,134.68, 131,312.88 and 57,411.36

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Solution

The fourth proportional to 95,134.68, 131,312.88 and 57,411.36 is: 79,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,134.68 : 131,312.88 = 57,411.36 : x
  2. Step 2: Convert to fraction form
    95,134.68/131,312.88 = 57,411.36/x
  3. Step 3: Cross multiply
    95,134.68x = 131,312.88 × 57,411.36
  4. Step 4: Simplify right side
    95,134.68x = 7,538,851,026.32
  5. Step 5: Solve for x
    x = 7,538,851,026.32/95,134.68
  6. Step 6: Final answer
    x = 79,243.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.