Home / 99,268.29-136,991.30-53,946.90

Finding the Fourth Proportional to 99,268.29, 136,991.30 and 53,946.90

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Solution

The fourth proportional to 99,268.29, 136,991.30 and 53,946.90 is: 74,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,268.29 : 136,991.30 = 53,946.90 : x
  2. Step 2: Convert to fraction form
    99,268.29/136,991.30 = 53,946.90/x
  3. Step 3: Cross multiply
    99,268.29x = 136,991.30 × 53,946.90
  4. Step 4: Simplify right side
    99,268.29x = 7,390,255,692.24
  5. Step 5: Solve for x
    x = 7,390,255,692.24/99,268.29
  6. Step 6: Final answer
    x = 74,447.30

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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.