Home / 86,987.02-130,501.30-30,832.04

Finding the Fourth Proportional to 86,987.02, 130,501.30 and 30,832.04

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Solution

The fourth proportional to 86,987.02, 130,501.30 and 30,832.04 is: 46,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,987.02 : 130,501.30 = 30,832.04 : x
  2. Step 2: Convert to fraction form
    86,987.02/130,501.30 = 30,832.04/x
  3. Step 3: Cross multiply
    86,987.02x = 130,501.30 × 30,832.04
  4. Step 4: Simplify right side
    86,987.02x = 4,023,621,301.65
  5. Step 5: Solve for x
    x = 4,023,621,301.65/86,987.02
  6. Step 6: Final answer
    x = 46,255.42

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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.