Home / 112,013.50-154,578.63-61,713.58

Finding the Fourth Proportional to 112,013.50, 154,578.63 and 61,713.58

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Solution

The fourth proportional to 112,013.50, 154,578.63 and 61,713.58 is: 85,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013.50 : 154,578.63 = 61,713.58 : x
  2. Step 2: Convert to fraction form
    112,013.50/154,578.63 = 61,713.58/x
  3. Step 3: Cross multiply
    112,013.50x = 154,578.63 × 61,713.58
  4. Step 4: Simplify right side
    112,013.50x = 9,539,600,648.80
  5. Step 5: Solve for x
    x = 9,539,600,648.80/112,013.50
  6. Step 6: Final answer
    x = 85,164.74

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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.