Home / 69,033.12-103,045.69-59,235.36

Finding the Fourth Proportional to 69,033.12, 103,045.69 and 59,235.36

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Solution

The fourth proportional to 69,033.12, 103,045.69 and 59,235.36 is: 88,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,033.12 : 103,045.69 = 59,235.36 : x
  2. Step 2: Convert to fraction form
    69,033.12/103,045.69 = 59,235.36/x
  3. Step 3: Cross multiply
    69,033.12x = 103,045.69 × 59,235.36
  4. Step 4: Simplify right side
    69,033.12x = 6,103,948,543.60
  5. Step 5: Solve for x
    x = 6,103,948,543.60/69,033.12
  6. Step 6: Final answer
    x = 88,420.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.