Home / 72,381.04-108,641.64-34,967.44

Finding the Fourth Proportional to 72,381.04, 108,641.64 and 34,967.44

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Solution

The fourth proportional to 72,381.04, 108,641.64 and 34,967.44 is: 52,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,381.04 : 108,641.64 = 34,967.44 : x
  2. Step 2: Convert to fraction form
    72,381.04/108,641.64 = 34,967.44/x
  3. Step 3: Cross multiply
    72,381.04x = 108,641.64 × 34,967.44
  4. Step 4: Simplify right side
    72,381.04x = 3,798,920,028.20
  5. Step 5: Solve for x
    x = 3,798,920,028.20/72,381.04
  6. Step 6: Final answer
    x = 52,485.02

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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.