Home / 40,442.08-60,663.28-12,362.03

Finding the Fourth Proportional to 40,442.08, 60,663.28 and 12,362.03

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Solution

The fourth proportional to 40,442.08, 60,663.28 and 12,362.03 is: 18,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.08 : 60,663.28 = 12,362.03 : x
  2. Step 2: Convert to fraction form
    40,442.08/60,663.28 = 12,362.03/x
  3. Step 3: Cross multiply
    40,442.08x = 60,663.28 × 12,362.03
  4. Step 4: Simplify right side
    40,442.08x = 749,920,985.68
  5. Step 5: Solve for x
    x = 749,920,985.68/40,442.08
  6. Step 6: Final answer
    x = 18,543.09

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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.