Home / 75,070.37-103,634.62-43,233.12

Finding the Fourth Proportional to 75,070.37, 103,634.62 and 43,233.12

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Solution

The fourth proportional to 75,070.37, 103,634.62 and 43,233.12 is: 59,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,070.37 : 103,634.62 = 43,233.12 : x
  2. Step 2: Convert to fraction form
    75,070.37/103,634.62 = 43,233.12/x
  3. Step 3: Cross multiply
    75,070.37x = 103,634.62 × 43,233.12
  4. Step 4: Simplify right side
    75,070.37x = 4,480,447,962.61
  5. Step 5: Solve for x
    x = 4,480,447,962.61/75,070.37
  6. Step 6: Final answer
    x = 59,683.31

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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.