Home / 69,307.08-103,907.76-57,424.38

Finding the Fourth Proportional to 69,307.08, 103,907.76 and 57,424.38

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Solution

The fourth proportional to 69,307.08, 103,907.76 and 57,424.38 is: 86,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.08 : 103,907.76 = 57,424.38 : x
  2. Step 2: Convert to fraction form
    69,307.08/103,907.76 = 57,424.38/x
  3. Step 3: Cross multiply
    69,307.08x = 103,907.76 × 57,424.38
  4. Step 4: Simplify right side
    69,307.08x = 5,966,838,695.19
  5. Step 5: Solve for x
    x = 5,966,838,695.19/69,307.08
  6. Step 6: Final answer
    x = 86,092.77

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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.