Home / 105,111.08-157,572.84-38,535.66

Finding the Fourth Proportional to 105,111.08, 157,572.84 and 38,535.66

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Solution

The fourth proportional to 105,111.08, 157,572.84 and 38,535.66 is: 57,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111.08 : 157,572.84 = 38,535.66 : x
  2. Step 2: Convert to fraction form
    105,111.08/157,572.84 = 38,535.66/x
  3. Step 3: Cross multiply
    105,111.08x = 157,572.84 × 38,535.66
  4. Step 4: Simplify right side
    105,111.08x = 6,072,173,387.47
  5. Step 5: Solve for x
    x = 6,072,173,387.47/105,111.08
  6. Step 6: Final answer
    x = 57,769.11

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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.