Home / 63,070.11-87,036.66-34,775.87

Finding the Fourth Proportional to 63,070.11, 87,036.66 and 34,775.87

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Solution

The fourth proportional to 63,070.11, 87,036.66 and 34,775.87 is: 47,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.11 : 87,036.66 = 34,775.87 : x
  2. Step 2: Convert to fraction form
    63,070.11/87,036.66 = 34,775.87/x
  3. Step 3: Cross multiply
    63,070.11x = 87,036.66 × 34,775.87
  4. Step 4: Simplify right side
    63,070.11x = 3,026,775,138.21
  5. Step 5: Solve for x
    x = 3,026,775,138.21/63,070.11
  6. Step 6: Final answer
    x = 47,990.64

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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.