Home / 84,869.15-117,119.75-46,631.79

Finding the Fourth Proportional to 84,869.15, 117,119.75 and 46,631.79

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Solution

The fourth proportional to 84,869.15, 117,119.75 and 46,631.79 is: 64,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.15 : 117,119.75 = 46,631.79 : x
  2. Step 2: Convert to fraction form
    84,869.15/117,119.75 = 46,631.79/x
  3. Step 3: Cross multiply
    84,869.15x = 117,119.75 × 46,631.79
  4. Step 4: Simplify right side
    84,869.15x = 5,461,503,586.85
  5. Step 5: Solve for x
    x = 5,461,503,586.85/84,869.15
  6. Step 6: Final answer
    x = 64,352.05

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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.