Home / 86,969.53-130,438.59-39,573.46

Finding the Fourth Proportional to 86,969.53, 130,438.59 and 39,573.46

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Solution

The fourth proportional to 86,969.53, 130,438.59 and 39,573.46 is: 59,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,969.53 : 130,438.59 = 39,573.46 : x
  2. Step 2: Convert to fraction form
    86,969.53/130,438.59 = 39,573.46/x
  3. Step 3: Cross multiply
    86,969.53x = 130,438.59 × 39,573.46
  4. Step 4: Simplify right side
    86,969.53x = 5,161,906,323.82
  5. Step 5: Solve for x
    x = 5,161,906,323.82/86,969.53
  6. Step 6: Final answer
    x = 59,353.04

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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.