Home / 112,041.52-154,616.56-61,740.56

Finding the Fourth Proportional to 112,041.52, 154,616.56 and 61,740.56

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Solution

The fourth proportional to 112,041.52, 154,616.56 and 61,740.56 is: 85,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,041.52 : 154,616.56 = 61,740.56 : x
  2. Step 2: Convert to fraction form
    112,041.52/154,616.56 = 61,740.56/x
  3. Step 3: Cross multiply
    112,041.52x = 154,616.56 × 61,740.56
  4. Step 4: Simplify right side
    112,041.52x = 9,546,112,999.67
  5. Step 5: Solve for x
    x = 9,546,112,999.67/112,041.52
  6. Step 6: Final answer
    x = 85,201.57

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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.