Home / 42,543.50-63,703.78-29,995.60

Finding the Fourth Proportional to 42,543.50, 63,703.78 and 29,995.60

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Solution

The fourth proportional to 42,543.50, 63,703.78 and 29,995.60 is: 44,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543.50 : 63,703.78 = 29,995.60 : x
  2. Step 2: Convert to fraction form
    42,543.50/63,703.78 = 29,995.60/x
  3. Step 3: Cross multiply
    42,543.50x = 63,703.78 × 29,995.60
  4. Step 4: Simplify right side
    42,543.50x = 1,910,833,103.37
  5. Step 5: Solve for x
    x = 1,910,833,103.37/42,543.50
  6. Step 6: Final answer
    x = 44,914.81

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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.