Home / 112,023-154,592.22-61,720.92

Finding the Fourth Proportional to 112,023, 154,592.22 and 61,720.92

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Solution

The fourth proportional to 112,023, 154,592.22 and 61,720.92 is: 85,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023 : 154,592.22 = 61,720.92 : x
  2. Step 2: Convert to fraction form
    112,023/154,592.22 = 61,720.92/x
  3. Step 3: Cross multiply
    112,023x = 154,592.22 × 61,720.92
  4. Step 4: Simplify right side
    112,023x = 9,541,574,043.24
  5. Step 5: Solve for x
    x = 9,541,574,043.24/112,023
  6. Step 6: Final answer
    x = 85,175.13

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1.5x scale

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.