Home / 84,395.28-116,477-48,584.40

Finding the Fourth Proportional to 84,395.28, 116,477 and 48,584.40

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Solution

The fourth proportional to 84,395.28, 116,477 and 48,584.40 is: 67,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,395.28 : 116,477 = 48,584.40 : x
  2. Step 2: Convert to fraction form
    84,395.28/116,477 = 48,584.40/x
  3. Step 3: Cross multiply
    84,395.28x = 116,477 × 48,584.40
  4. Step 4: Simplify right side
    84,395.28x = 5,658,965,158.80
  5. Step 5: Solve for x
    x = 5,658,965,158.80/84,395.28
  6. Step 6: Final answer
    x = 67,053.10

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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.