Home / 105,683.83-158,479.66-39,973.75

Finding the Fourth Proportional to 105,683.83, 158,479.66 and 39,973.75

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Solution

The fourth proportional to 105,683.83, 158,479.66 and 39,973.75 is: 59,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683.83 : 158,479.66 = 39,973.75 : x
  2. Step 2: Convert to fraction form
    105,683.83/158,479.66 = 39,973.75/x
  3. Step 3: Cross multiply
    105,683.83x = 158,479.66 × 39,973.75
  4. Step 4: Simplify right side
    105,683.83x = 6,335,026,308.93
  5. Step 5: Solve for x
    x = 6,335,026,308.93/105,683.83
  6. Step 6: Final answer
    x = 59,943.19

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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.