Home / 84,065.40-116,025.68-53,863.74

Finding the Fourth Proportional to 84,065.40, 116,025.68 and 53,863.74

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Solution

The fourth proportional to 84,065.40, 116,025.68 and 53,863.74 is: 74,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,065.40 : 116,025.68 = 53,863.74 : x
  2. Step 2: Convert to fraction form
    84,065.40/116,025.68 = 53,863.74/x
  3. Step 3: Cross multiply
    84,065.40x = 116,025.68 × 53,863.74
  4. Step 4: Simplify right side
    84,065.40x = 6,249,577,060.84
  5. Step 5: Solve for x
    x = 6,249,577,060.84/84,065.40
  6. Step 6: Final answer
    x = 74,341.85

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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.