Home / 103,412.04-155,118.66-36,854.76

Finding the Fourth Proportional to 103,412.04, 155,118.66 and 36,854.76

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Solution

The fourth proportional to 103,412.04, 155,118.66 and 36,854.76 is: 55,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412.04 : 155,118.66 = 36,854.76 : x
  2. Step 2: Convert to fraction form
    103,412.04/155,118.66 = 36,854.76/x
  3. Step 3: Cross multiply
    103,412.04x = 155,118.66 × 36,854.76
  4. Step 4: Simplify right side
    103,412.04x = 5,716,860,985.82
  5. Step 5: Solve for x
    x = 5,716,860,985.82/103,412.04
  6. Step 6: Final answer
    x = 55,282.35

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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.