Home / 109,740.37-151,433.40-61,998.16

Finding the Fourth Proportional to 109,740.37, 151,433.40 and 61,998.16

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Solution

The fourth proportional to 109,740.37, 151,433.40 and 61,998.16 is: 85,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,740.37 : 151,433.40 = 61,998.16 : x
  2. Step 2: Convert to fraction form
    109,740.37/151,433.40 = 61,998.16/x
  3. Step 3: Cross multiply
    109,740.37x = 151,433.40 × 61,998.16
  4. Step 4: Simplify right side
    109,740.37x = 9,388,592,162.54
  5. Step 5: Solve for x
    x = 9,388,592,162.54/109,740.37
  6. Step 6: Final answer
    x = 85,552.77

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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.