Home / 75,132.45-112,477.23-55,498.68

Finding the Fourth Proportional to 75,132.45, 112,477.23 and 55,498.68

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Solution

The fourth proportional to 75,132.45, 112,477.23 and 55,498.68 is: 83,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.45 : 112,477.23 = 55,498.68 : x
  2. Step 2: Convert to fraction form
    75,132.45/112,477.23 = 55,498.68/x
  3. Step 3: Cross multiply
    75,132.45x = 112,477.23 × 55,498.68
  4. Step 4: Simplify right side
    75,132.45x = 6,242,337,795.06
  5. Step 5: Solve for x
    x = 6,242,337,795.06/75,132.45
  6. Step 6: Final answer
    x = 83,084.44

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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.