Home / 112,012.67-154,577.03-61,025.25

Finding the Fourth Proportional to 112,012.67, 154,577.03 and 61,025.25

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Solution

The fourth proportional to 112,012.67, 154,577.03 and 61,025.25 is: 84,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.67 : 154,577.03 = 61,025.25 : x
  2. Step 2: Convert to fraction form
    112,012.67/154,577.03 = 61,025.25/x
  3. Step 3: Cross multiply
    112,012.67x = 154,577.03 × 61,025.25
  4. Step 4: Simplify right side
    112,012.67x = 9,433,101,594.88
  5. Step 5: Solve for x
    x = 9,433,101,594.88/112,012.67
  6. Step 6: Final answer
    x = 84,214.59

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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.