Home / 86,825.36-130,089.52-47,410.24

Finding the Fourth Proportional to 86,825.36, 130,089.52 and 47,410.24

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Solution

The fourth proportional to 86,825.36, 130,089.52 and 47,410.24 is: 71,034.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,825.36 : 130,089.52 = 47,410.24 : x
  2. Step 2: Convert to fraction form
    86,825.36/130,089.52 = 47,410.24/x
  3. Step 3: Cross multiply
    86,825.36x = 130,089.52 × 47,410.24
  4. Step 4: Simplify right side
    86,825.36x = 6,167,575,364.68
  5. Step 5: Solve for x
    x = 6,167,575,364.68/86,825.36
  6. Step 6: Final answer
    x = 71,034.26

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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.