Home / 91,130.04-136,629.44-55,997.10

Finding the Fourth Proportional to 91,130.04, 136,629.44 and 55,997.10

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Solution

The fourth proportional to 91,130.04, 136,629.44 and 55,997.10 is: 83,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.04 : 136,629.44 = 55,997.10 : x
  2. Step 2: Convert to fraction form
    91,130.04/136,629.44 = 55,997.10/x
  3. Step 3: Cross multiply
    91,130.04x = 136,629.44 × 55,997.10
  4. Step 4: Simplify right side
    91,130.04x = 7,650,852,414.62
  5. Step 5: Solve for x
    x = 7,650,852,414.62/91,130.04
  6. Step 6: Final answer
    x = 83,955.33

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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.