Home / 74,875.32-103,343.04-68,897.52

Finding the Fourth Proportional to 74,875.32, 103,343.04 and 68,897.52

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Solution

The fourth proportional to 74,875.32, 103,343.04 and 68,897.52 is: 95,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,875.32 : 103,343.04 = 68,897.52 : x
  2. Step 2: Convert to fraction form
    74,875.32/103,343.04 = 68,897.52/x
  3. Step 3: Cross multiply
    74,875.32x = 103,343.04 × 68,897.52
  4. Step 4: Simplify right side
    74,875.32x = 7,120,079,165.26
  5. Step 5: Solve for x
    x = 7,120,079,165.26/74,875.32
  6. Step 6: Final answer
    x = 95,092.47

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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.