Home / 91,220.95-125,883.75-50,935.42

Finding the Fourth Proportional to 91,220.95, 125,883.75 and 50,935.42

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Solution

The fourth proportional to 91,220.95, 125,883.75 and 50,935.42 is: 70,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.95 : 125,883.75 = 50,935.42 : x
  2. Step 2: Convert to fraction form
    91,220.95/125,883.75 = 50,935.42/x
  3. Step 3: Cross multiply
    91,220.95x = 125,883.75 × 50,935.42
  4. Step 4: Simplify right side
    91,220.95x = 6,411,941,677.43
  5. Step 5: Solve for x
    x = 6,411,941,677.43/91,220.95
  6. Step 6: Final answer
    x = 70,290.23

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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.