Home / 112,747.88-155,573.79-67,444.58

Finding the Fourth Proportional to 112,747.88, 155,573.79 and 67,444.58

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Solution

The fourth proportional to 112,747.88, 155,573.79 and 67,444.58 is: 93,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,747.88 : 155,573.79 = 67,444.58 : x
  2. Step 2: Convert to fraction form
    112,747.88/155,573.79 = 67,444.58/x
  3. Step 3: Cross multiply
    112,747.88x = 155,573.79 × 67,444.58
  4. Step 4: Simplify right side
    112,747.88x = 10,492,608,925.56
  5. Step 5: Solve for x
    x = 10,492,608,925.56/112,747.88
  6. Step 6: Final answer
    x = 93,062.58

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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.