Home / 63,811.51-95,731.11-19,437.10

Finding the Fourth Proportional to 63,811.51, 95,731.11 and 19,437.10

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Solution

The fourth proportional to 63,811.51, 95,731.11 and 19,437.10 is: 29,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,811.51 : 95,731.11 = 19,437.10 : x
  2. Step 2: Convert to fraction form
    63,811.51/95,731.11 = 19,437.10/x
  3. Step 3: Cross multiply
    63,811.51x = 95,731.11 × 19,437.10
  4. Step 4: Simplify right side
    63,811.51x = 1,860,735,158.18
  5. Step 5: Solve for x
    x = 1,860,735,158.18/63,811.51
  6. Step 6: Final answer
    x = 29,159.87

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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.