Home / 84,867.04-117,113.24-47,143.68

Finding the Fourth Proportional to 84,867.04, 117,113.24 and 47,143.68

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Solution

The fourth proportional to 84,867.04, 117,113.24 and 47,143.68 is: 65,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,867.04 : 117,113.24 = 47,143.68 : x
  2. Step 2: Convert to fraction form
    84,867.04/117,113.24 = 47,143.68/x
  3. Step 3: Cross multiply
    84,867.04x = 117,113.24 × 47,143.68
  4. Step 4: Simplify right side
    84,867.04x = 5,521,149,110.32
  5. Step 5: Solve for x
    x = 5,521,149,110.32/84,867.04
  6. Step 6: Final answer
    x = 65,056.46

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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.