Home / 105,111.32-157,573.22-38,535.90

Finding the Fourth Proportional to 105,111.32, 157,573.22 and 38,535.90

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Solution

The fourth proportional to 105,111.32, 157,573.22 and 38,535.90 is: 57,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111.32 : 157,573.22 = 38,535.90 : x
  2. Step 2: Convert to fraction form
    105,111.32/157,573.22 = 38,535.90/x
  3. Step 3: Cross multiply
    105,111.32x = 157,573.22 × 38,535.90
  4. Step 4: Simplify right side
    105,111.32x = 6,072,225,848.60
  5. Step 5: Solve for x
    x = 6,072,225,848.60/105,111.32
  6. Step 6: Final answer
    x = 57,769.48

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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.