Home / 86,917.30-130,390.35-37,021.30

Finding the Fourth Proportional to 86,917.30, 130,390.35 and 37,021.30

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Solution

The fourth proportional to 86,917.30, 130,390.35 and 37,021.30 is: 55,538.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,917.30 : 130,390.35 = 37,021.30 : x
  2. Step 2: Convert to fraction form
    86,917.30/130,390.35 = 37,021.30/x
  3. Step 3: Cross multiply
    86,917.30x = 130,390.35 × 37,021.30
  4. Step 4: Simplify right side
    86,917.30x = 4,827,220,264.46
  5. Step 5: Solve for x
    x = 4,827,220,264.46/86,917.30
  6. Step 6: Final answer
    x = 55,538.08

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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.