Home / 91,066.97-125,684.75-53,356.25

Finding the Fourth Proportional to 91,066.97, 125,684.75 and 53,356.25

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Solution

The fourth proportional to 91,066.97, 125,684.75 and 53,356.25 is: 73,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,066.97 : 125,684.75 = 53,356.25 : x
  2. Step 2: Convert to fraction form
    91,066.97/125,684.75 = 53,356.25/x
  3. Step 3: Cross multiply
    91,066.97x = 125,684.75 × 53,356.25
  4. Step 4: Simplify right side
    91,066.97x = 6,706,066,942.19
  5. Step 5: Solve for x
    x = 6,706,066,942.19/91,066.97
  6. Step 6: Final answer
    x = 73,638.85

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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.