Home / 99,268.02-136,991.20-53,946.90

Finding the Fourth Proportional to 99,268.02, 136,991.20 and 53,946.90

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Solution

The fourth proportional to 99,268.02, 136,991.20 and 53,946.90 is: 74,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,268.02 : 136,991.20 = 53,946.90 : x
  2. Step 2: Convert to fraction form
    99,268.02/136,991.20 = 53,946.90/x
  3. Step 3: Cross multiply
    99,268.02x = 136,991.20 × 53,946.90
  4. Step 4: Simplify right side
    99,268.02x = 7,390,250,567.28
  5. Step 5: Solve for x
    x = 7,390,250,567.28/99,268.02
  6. Step 6: Final answer
    x = 74,447.45

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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.