Home / 105,187.33-145,170.93-59,248.47

Finding the Fourth Proportional to 105,187.33, 145,170.93 and 59,248.47

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Solution

The fourth proportional to 105,187.33, 145,170.93 and 59,248.47 is: 81,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,187.33 : 145,170.93 = 59,248.47 : x
  2. Step 2: Convert to fraction form
    105,187.33/145,170.93 = 59,248.47/x
  3. Step 3: Cross multiply
    105,187.33x = 145,170.93 × 59,248.47
  4. Step 4: Simplify right side
    105,187.33x = 8,601,155,490.98
  5. Step 5: Solve for x
    x = 8,601,155,490.98/105,187.33
  6. Step 6: Final answer
    x = 81,769.88

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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.