Home / 112,433.40-168,659.70-38,561.40

Finding the Fourth Proportional to 112,433.40, 168,659.70 and 38,561.40

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Solution

The fourth proportional to 112,433.40, 168,659.70 and 38,561.40 is: 57,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,433.40 : 168,659.70 = 38,561.40 : x
  2. Step 2: Convert to fraction form
    112,433.40/168,659.70 = 38,561.40/x
  3. Step 3: Cross multiply
    112,433.40x = 168,659.70 × 38,561.40
  4. Step 4: Simplify right side
    112,433.40x = 6,503,754,155.58
  5. Step 5: Solve for x
    x = 6,503,754,155.58/112,433.40
  6. Step 6: Final answer
    x = 57,845.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.