Home / 86,976.78-130,514.40-37,051.68

Finding the Fourth Proportional to 86,976.78, 130,514.40 and 37,051.68

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Solution

The fourth proportional to 86,976.78, 130,514.40 and 37,051.68 is: 55,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976.78 : 130,514.40 = 37,051.68 : x
  2. Step 2: Convert to fraction form
    86,976.78/130,514.40 = 37,051.68/x
  3. Step 3: Cross multiply
    86,976.78x = 130,514.40 × 37,051.68
  4. Step 4: Simplify right side
    86,976.78x = 4,835,777,784.19
  5. Step 5: Solve for x
    x = 4,835,777,784.19/86,976.78
  6. Step 6: Final answer
    x = 55,598.49

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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.