Home / 60,686.54-83,708.34-40,268.16

Finding the Fourth Proportional to 60,686.54, 83,708.34 and 40,268.16

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Solution

The fourth proportional to 60,686.54, 83,708.34 and 40,268.16 is: 55,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,686.54 : 83,708.34 = 40,268.16 : x
  2. Step 2: Convert to fraction form
    60,686.54/83,708.34 = 40,268.16/x
  3. Step 3: Cross multiply
    60,686.54x = 83,708.34 × 40,268.16
  4. Step 4: Simplify right side
    60,686.54x = 3,370,780,417.84
  5. Step 5: Solve for x
    x = 3,370,780,417.84/60,686.54
  6. Step 6: Final answer
    x = 55,544.12

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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.