Home / 86,707.20-130,069.42-23,528.32

Finding the Fourth Proportional to 86,707.20, 130,069.42 and 23,528.32

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Solution

The fourth proportional to 86,707.20, 130,069.42 and 23,528.32 is: 35,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,707.20 : 130,069.42 = 23,528.32 : x
  2. Step 2: Convert to fraction form
    86,707.20/130,069.42 = 23,528.32/x
  3. Step 3: Cross multiply
    86,707.20x = 130,069.42 × 23,528.32
  4. Step 4: Simplify right side
    86,707.20x = 3,060,314,935.97
  5. Step 5: Solve for x
    x = 3,060,314,935.97/86,707.20
  6. Step 6: Final answer
    x = 35,294.82

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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.