Home / 86,243.01-129,355.41-23,069.51

Finding the Fourth Proportional to 86,243.01, 129,355.41 and 23,069.51

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Solution

The fourth proportional to 86,243.01, 129,355.41 and 23,069.51 is: 34,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,243.01 : 129,355.41 = 23,069.51 : x
  2. Step 2: Convert to fraction form
    86,243.01/129,355.41 = 23,069.51/x
  3. Step 3: Cross multiply
    86,243.01x = 129,355.41 × 23,069.51
  4. Step 4: Simplify right side
    86,243.01x = 2,984,165,277.77
  5. Step 5: Solve for x
    x = 2,984,165,277.77/86,243.01
  6. Step 6: Final answer
    x = 34,601.82

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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.