Home / 98,796.06-136,339.65-56,357.10

Finding the Fourth Proportional to 98,796.06, 136,339.65 and 56,357.10

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Solution

The fourth proportional to 98,796.06, 136,339.65 and 56,357.10 is: 77,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,796.06 : 136,339.65 = 56,357.10 : x
  2. Step 2: Convert to fraction form
    98,796.06/136,339.65 = 56,357.10/x
  3. Step 3: Cross multiply
    98,796.06x = 136,339.65 × 56,357.10
  4. Step 4: Simplify right side
    98,796.06x = 7,683,707,289.02
  5. Step 5: Solve for x
    x = 7,683,707,289.02/98,796.06
  6. Step 6: Final answer
    x = 77,773.42

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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.