Home / 79,675.32-109,970.66-45,683.19

Finding the Fourth Proportional to 79,675.32, 109,970.66 and 45,683.19

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Solution

The fourth proportional to 79,675.32, 109,970.66 and 45,683.19 is: 63,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,675.32 : 109,970.66 = 45,683.19 : x
  2. Step 2: Convert to fraction form
    79,675.32/109,970.66 = 45,683.19/x
  3. Step 3: Cross multiply
    79,675.32x = 109,970.66 × 45,683.19
  4. Step 4: Simplify right side
    79,675.32x = 5,023,810,326.79
  5. Step 5: Solve for x
    x = 5,023,810,326.79/79,675.32
  6. Step 6: Final answer
    x = 63,053.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.