Home / 86,225.52-118,990.68-48,500.16

Finding the Fourth Proportional to 86,225.52, 118,990.68 and 48,500.16

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Solution

The fourth proportional to 86,225.52, 118,990.68 and 48,500.16 is: 66,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.52 : 118,990.68 = 48,500.16 : x
  2. Step 2: Convert to fraction form
    86,225.52/118,990.68 = 48,500.16/x
  3. Step 3: Cross multiply
    86,225.52x = 118,990.68 × 48,500.16
  4. Step 4: Simplify right side
    86,225.52x = 5,771,067,018.51
  5. Step 5: Solve for x
    x = 5,771,067,018.51/86,225.52
  6. Step 6: Final answer
    x = 66,929.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.