Home / 78,543.44-117,833.50-22,384.24

Finding the Fourth Proportional to 78,543.44, 117,833.50 and 22,384.24

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Solution

The fourth proportional to 78,543.44, 117,833.50 and 22,384.24 is: 33,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,543.44 : 117,833.50 = 22,384.24 : x
  2. Step 2: Convert to fraction form
    78,543.44/117,833.50 = 22,384.24/x
  3. Step 3: Cross multiply
    78,543.44x = 117,833.50 × 22,384.24
  4. Step 4: Simplify right side
    78,543.44x = 2,637,612,993.50
  5. Step 5: Solve for x
    x = 2,637,612,993.50/78,543.44
  6. Step 6: Final answer
    x = 33,581.58

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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.