Home / 105,316.14-157,995.38-38,756.62

Finding the Fourth Proportional to 105,316.14, 157,995.38 and 38,756.62

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Solution

The fourth proportional to 105,316.14, 157,995.38 and 38,756.62 is: 58,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,316.14 : 157,995.38 = 38,756.62 : x
  2. Step 2: Convert to fraction form
    105,316.14/157,995.38 = 38,756.62/x
  3. Step 3: Cross multiply
    105,316.14x = 157,995.38 × 38,756.62
  4. Step 4: Simplify right side
    105,316.14x = 6,123,366,904.42
  5. Step 5: Solve for x
    x = 6,123,366,904.42/105,316.14
  6. Step 6: Final answer
    x = 58,142.72

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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.