Home / 112,228.24-154,884.48-64,498

Finding the Fourth Proportional to 112,228.24, 154,884.48 and 64,498

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Solution

The fourth proportional to 112,228.24, 154,884.48 and 64,498 is: 89,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,228.24 : 154,884.48 = 64,498 : x
  2. Step 2: Convert to fraction form
    112,228.24/154,884.48 = 64,498/x
  3. Step 3: Cross multiply
    112,228.24x = 154,884.48 × 64,498
  4. Step 4: Simplify right side
    112,228.24x = 9,989,739,191.04
  5. Step 5: Solve for x
    x = 9,989,739,191.04/112,228.24
  6. Step 6: Final answer
    x = 89,012.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.