Home / 112,035.68-154,602.24-61,734.80

Finding the Fourth Proportional to 112,035.68, 154,602.24 and 61,734.80

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Solution

The fourth proportional to 112,035.68, 154,602.24 and 61,734.80 is: 85,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,035.68 : 154,602.24 = 61,734.80 : x
  2. Step 2: Convert to fraction form
    112,035.68/154,602.24 = 61,734.80/x
  3. Step 3: Cross multiply
    112,035.68x = 154,602.24 × 61,734.80
  4. Step 4: Simplify right side
    112,035.68x = 9,544,338,365.95
  5. Step 5: Solve for x
    x = 9,544,338,365.95/112,035.68
  6. Step 6: Final answer
    x = 85,190.17

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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.