Home / 70,009.02-96,615-39,799.44

Finding the Fourth Proportional to 70,009.02, 96,615 and 39,799.44

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Solution

The fourth proportional to 70,009.02, 96,615 and 39,799.44 is: 54,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009.02 : 96,615 = 39,799.44 : x
  2. Step 2: Convert to fraction form
    70,009.02/96,615 = 39,799.44/x
  3. Step 3: Cross multiply
    70,009.02x = 96,615 × 39,799.44
  4. Step 4: Simplify right side
    70,009.02x = 3,845,222,895.60
  5. Step 5: Solve for x
    x = 3,845,222,895.60/70,009.02
  6. Step 6: Final answer
    x = 54,924.68

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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.