Home / 105,486.72-158,292.32-38,973.92

Finding the Fourth Proportional to 105,486.72, 158,292.32 and 38,973.92

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Solution

The fourth proportional to 105,486.72, 158,292.32 and 38,973.92 is: 58,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,486.72 : 158,292.32 = 38,973.92 : x
  2. Step 2: Convert to fraction form
    105,486.72/158,292.32 = 38,973.92/x
  3. Step 3: Cross multiply
    105,486.72x = 158,292.32 × 38,973.92
  4. Step 4: Simplify right side
    105,486.72x = 6,169,272,216.29
  5. Step 5: Solve for x
    x = 6,169,272,216.29/105,486.72
  6. Step 6: Final answer
    x = 58,483.88

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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.