Home / 98,924.48-136,522.47-55,889.04

Finding the Fourth Proportional to 98,924.48, 136,522.47 and 55,889.04

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Solution

The fourth proportional to 98,924.48, 136,522.47 and 55,889.04 is: 77,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,924.48 : 136,522.47 = 55,889.04 : x
  2. Step 2: Convert to fraction form
    98,924.48/136,522.47 = 55,889.04/x
  3. Step 3: Cross multiply
    98,924.48x = 136,522.47 × 55,889.04
  4. Step 4: Simplify right side
    98,924.48x = 7,630,109,786.73
  5. Step 5: Solve for x
    x = 7,630,109,786.73/98,924.48
  6. Step 6: Final answer
    x = 77,130.66

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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.