Home / 105,528.61-158,182.08-38,926.36

Finding the Fourth Proportional to 105,528.61, 158,182.08 and 38,926.36

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Solution

The fourth proportional to 105,528.61, 158,182.08 and 38,926.36 is: 58,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,528.61 : 158,182.08 = 38,926.36 : x
  2. Step 2: Convert to fraction form
    105,528.61/158,182.08 = 38,926.36/x
  3. Step 3: Cross multiply
    105,528.61x = 158,182.08 × 38,926.36
  4. Step 4: Simplify right side
    105,528.61x = 6,157,452,591.63
  5. Step 5: Solve for x
    x = 6,157,452,591.63/105,528.61
  6. Step 6: Final answer
    x = 58,348.66

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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.