Home / 98,925.36-136,523.68-55,889.90

Finding the Fourth Proportional to 98,925.36, 136,523.68 and 55,889.90

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Solution

The fourth proportional to 98,925.36, 136,523.68 and 55,889.90 is: 77,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925.36 : 136,523.68 = 55,889.90 : x
  2. Step 2: Convert to fraction form
    98,925.36/136,523.68 = 55,889.90/x
  3. Step 3: Cross multiply
    98,925.36x = 136,523.68 × 55,889.90
  4. Step 4: Simplify right side
    98,925.36x = 7,630,294,822.83
  5. Step 5: Solve for x
    x = 7,630,294,822.83/98,925.36
  6. Step 6: Final answer
    x = 77,131.84

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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.