Home / 103,031.68-154,547.52-56,259.04

Finding the Fourth Proportional to 103,031.68, 154,547.52 and 56,259.04

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Solution

The fourth proportional to 103,031.68, 154,547.52 and 56,259.04 is: 84,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,031.68 : 154,547.52 = 56,259.04 : x
  2. Step 2: Convert to fraction form
    103,031.68/154,547.52 = 56,259.04/x
  3. Step 3: Cross multiply
    103,031.68x = 154,547.52 × 56,259.04
  4. Step 4: Simplify right side
    103,031.68x = 8,694,695,109.58
  5. Step 5: Solve for x
    x = 8,694,695,109.58/103,031.68
  6. Step 6: Final answer
    x = 84,388.56

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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.