Home / 73,539.20-110,312.40-38,547.20

Finding the Fourth Proportional to 73,539.20, 110,312.40 and 38,547.20

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Solution

The fourth proportional to 73,539.20, 110,312.40 and 38,547.20 is: 57,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,539.20 : 110,312.40 = 38,547.20 : x
  2. Step 2: Convert to fraction form
    73,539.20/110,312.40 = 38,547.20/x
  3. Step 3: Cross multiply
    73,539.20x = 110,312.40 × 38,547.20
  4. Step 4: Simplify right side
    73,539.20x = 4,252,234,145.28
  5. Step 5: Solve for x
    x = 4,252,234,145.28/73,539.20
  6. Step 6: Final answer
    x = 57,822.69

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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.