Home / 123,570.14-170,526.62-66,981.50

Finding the Fourth Proportional to 123,570.14, 170,526.62 and 66,981.50

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Solution

The fourth proportional to 123,570.14, 170,526.62 and 66,981.50 is: 92,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,570.14 : 170,526.62 = 66,981.50 : x
  2. Step 2: Convert to fraction form
    123,570.14/170,526.62 = 66,981.50/x
  3. Step 3: Cross multiply
    123,570.14x = 170,526.62 × 66,981.50
  4. Step 4: Simplify right side
    123,570.14x = 11,422,128,797.53
  5. Step 5: Solve for x
    x = 11,422,128,797.53/123,570.14
  6. Step 6: Final answer
    x = 92,434.38

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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.