Home / 86,696.28-130,032.63-23,520.47

Finding the Fourth Proportional to 86,696.28, 130,032.63 and 23,520.47

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Solution

The fourth proportional to 86,696.28, 130,032.63 and 23,520.47 is: 35,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,696.28 : 130,032.63 = 23,520.47 : x
  2. Step 2: Convert to fraction form
    86,696.28/130,032.63 = 23,520.47/x
  3. Step 3: Cross multiply
    86,696.28x = 130,032.63 × 23,520.47
  4. Step 4: Simplify right side
    86,696.28x = 3,058,427,922.77
  5. Step 5: Solve for x
    x = 3,058,427,922.77/86,696.28
  6. Step 6: Final answer
    x = 35,277.50

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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.