Home / 84,210.84-116,222.04-58,700.70

Finding the Fourth Proportional to 84,210.84, 116,222.04 and 58,700.70

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Solution

The fourth proportional to 84,210.84, 116,222.04 and 58,700.70 is: 81,014.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,210.84 : 116,222.04 = 58,700.70 : x
  2. Step 2: Convert to fraction form
    84,210.84/116,222.04 = 58,700.70/x
  3. Step 3: Cross multiply
    84,210.84x = 116,222.04 × 58,700.70
  4. Step 4: Simplify right side
    84,210.84x = 6,822,315,103.43
  5. Step 5: Solve for x
    x = 6,822,315,103.43/84,210.84
  6. Step 6: Final answer
    x = 81,014.69

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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.