Home / 63,070.49-87,036.16-34,390.38

Finding the Fourth Proportional to 63,070.49, 87,036.16 and 34,390.38

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Solution

The fourth proportional to 63,070.49, 87,036.16 and 34,390.38 is: 47,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.49 : 87,036.16 = 34,390.38 : x
  2. Step 2: Convert to fraction form
    63,070.49/87,036.16 = 34,390.38/x
  3. Step 3: Cross multiply
    63,070.49x = 87,036.16 × 34,390.38
  4. Step 4: Simplify right side
    63,070.49x = 2,993,206,616.14
  5. Step 5: Solve for x
    x = 2,993,206,616.14/63,070.49
  6. Step 6: Final answer
    x = 47,458.12

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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.