Home / 105,109.64-157,570.68-38,534.22

Finding the Fourth Proportional to 105,109.64, 157,570.68 and 38,534.22

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Solution

The fourth proportional to 105,109.64, 157,570.68 and 38,534.22 is: 57,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,109.64 : 157,570.68 = 38,534.22 : x
  2. Step 2: Convert to fraction form
    105,109.64/157,570.68 = 38,534.22/x
  3. Step 3: Cross multiply
    105,109.64x = 157,570.68 × 38,534.22
  4. Step 4: Simplify right side
    105,109.64x = 6,071,863,393.17
  5. Step 5: Solve for x
    x = 6,071,863,393.17/105,109.64
  6. Step 6: Final answer
    x = 57,766.95

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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.