Home / 86,924.02-130,165.46-72,847.02

Finding the Fourth Proportional to 86,924.02, 130,165.46 and 72,847.02

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Solution

The fourth proportional to 86,924.02, 130,165.46 and 72,847.02 is: 109,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,924.02 : 130,165.46 = 72,847.02 : x
  2. Step 2: Convert to fraction form
    86,924.02/130,165.46 = 72,847.02/x
  3. Step 3: Cross multiply
    86,924.02x = 130,165.46 × 72,847.02
  4. Step 4: Simplify right side
    86,924.02x = 9,482,165,867.93
  5. Step 5: Solve for x
    x = 9,482,165,867.93/86,924.02
  6. Step 6: Final answer
    x = 109,085.68

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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.