Home / 86,971.53-130,441.59-39,575.46

Finding the Fourth Proportional to 86,971.53, 130,441.59 and 39,575.46

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Solution

The fourth proportional to 86,971.53, 130,441.59 and 39,575.46 is: 59,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,971.53 : 130,441.59 = 39,575.46 : x
  2. Step 2: Convert to fraction form
    86,971.53/130,441.59 = 39,575.46/x
  3. Step 3: Cross multiply
    86,971.53x = 130,441.59 × 39,575.46
  4. Step 4: Simplify right side
    86,971.53x = 5,162,285,927.38
  5. Step 5: Solve for x
    x = 5,162,285,927.38/86,971.53
  6. Step 6: Final answer
    x = 59,356.04

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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.