Home / 105,338.23-145,366.76-57,591.58

Finding the Fourth Proportional to 105,338.23, 145,366.76 and 57,591.58

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Solution

The fourth proportional to 105,338.23, 145,366.76 and 57,591.58 is: 79,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,338.23 : 145,366.76 = 57,591.58 : x
  2. Step 2: Convert to fraction form
    105,338.23/145,366.76 = 57,591.58/x
  3. Step 3: Cross multiply
    105,338.23x = 145,366.76 × 57,591.58
  4. Step 4: Simplify right side
    105,338.23x = 8,371,901,387.88
  5. Step 5: Solve for x
    x = 8,371,901,387.88/105,338.23
  6. Step 6: Final answer
    x = 79,476.38

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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.