Home / 86,771.04-130,110.48-39,984

Finding the Fourth Proportional to 86,771.04, 130,110.48 and 39,984

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Solution

The fourth proportional to 86,771.04, 130,110.48 and 39,984 is: 59,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,771.04 : 130,110.48 = 39,984 : x
  2. Step 2: Convert to fraction form
    86,771.04/130,110.48 = 39,984/x
  3. Step 3: Cross multiply
    86,771.04x = 130,110.48 × 39,984
  4. Step 4: Simplify right side
    86,771.04x = 5,202,337,432.32
  5. Step 5: Solve for x
    x = 5,202,337,432.32/86,771.04
  6. Step 6: Final answer
    x = 59,954.77

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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.