Home / 98,687.37-136,102.50-69,950.19

Finding the Fourth Proportional to 98,687.37, 136,102.50 and 69,950.19

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Solution

The fourth proportional to 98,687.37, 136,102.50 and 69,950.19 is: 96,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687.37 : 136,102.50 = 69,950.19 : x
  2. Step 2: Convert to fraction form
    98,687.37/136,102.50 = 69,950.19/x
  3. Step 3: Cross multiply
    98,687.37x = 136,102.50 × 69,950.19
  4. Step 4: Simplify right side
    98,687.37x = 9,520,395,734.48
  5. Step 5: Solve for x
    x = 9,520,395,734.48/98,687.37
  6. Step 6: Final answer
    x = 96,470.25

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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.