Home / 75,503.04-113,008.12-55,507.23

Finding the Fourth Proportional to 75,503.04, 113,008.12 and 55,507.23

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Solution

The fourth proportional to 75,503.04, 113,008.12 and 55,507.23 is: 83,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,503.04 : 113,008.12 = 55,507.23 : x
  2. Step 2: Convert to fraction form
    75,503.04/113,008.12 = 55,507.23/x
  3. Step 3: Cross multiply
    75,503.04x = 113,008.12 × 55,507.23
  4. Step 4: Simplify right side
    75,503.04x = 6,272,768,267.10
  5. Step 5: Solve for x
    x = 6,272,768,267.10/75,503.04
  6. Step 6: Final answer
    x = 83,079.68

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1.5x scale

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.