Home / 112,013.67-154,578.40-61,026.25

Finding the Fourth Proportional to 112,013.67, 154,578.40 and 61,026.25

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Solution

The fourth proportional to 112,013.67, 154,578.40 and 61,026.25 is: 84,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013.67 : 154,578.40 = 61,026.25 : x
  2. Step 2: Convert to fraction form
    112,013.67/154,578.40 = 61,026.25/x
  3. Step 3: Cross multiply
    112,013.67x = 154,578.40 × 61,026.25
  4. Step 4: Simplify right side
    112,013.67x = 9,433,340,083
  5. Step 5: Solve for x
    x = 9,433,340,083/112,013.67
  6. Step 6: Final answer
    x = 84,215.97

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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.