Home / 109,236.68-163,808.64-46,085.12

Finding the Fourth Proportional to 109,236.68, 163,808.64 and 46,085.12

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Solution

The fourth proportional to 109,236.68, 163,808.64 and 46,085.12 is: 69,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,236.68 : 163,808.64 = 46,085.12 : x
  2. Step 2: Convert to fraction form
    109,236.68/163,808.64 = 46,085.12/x
  3. Step 3: Cross multiply
    109,236.68x = 163,808.64 × 46,085.12
  4. Step 4: Simplify right side
    109,236.68x = 7,549,140,831.44
  5. Step 5: Solve for x
    x = 7,549,140,831.44/109,236.68
  6. Step 6: Final answer
    x = 69,108.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.