Home / 105,327.72-157,886.94-43,042.92

Finding the Fourth Proportional to 105,327.72, 157,886.94 and 43,042.92

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Solution

The fourth proportional to 105,327.72, 157,886.94 and 43,042.92 is: 64,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,327.72 : 157,886.94 = 43,042.92 : x
  2. Step 2: Convert to fraction form
    105,327.72/157,886.94 = 43,042.92/x
  3. Step 3: Cross multiply
    105,327.72x = 157,886.94 × 43,042.92
  4. Step 4: Simplify right side
    105,327.72x = 6,795,914,927.46
  5. Step 5: Solve for x
    x = 6,795,914,927.46/105,327.72
  6. Step 6: Final answer
    x = 64,521.62

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1.5x scale

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.