Home / 84,765.08-116,981.34-47,039.42

Finding the Fourth Proportional to 84,765.08, 116,981.34 and 47,039.42

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Solution

The fourth proportional to 84,765.08, 116,981.34 and 47,039.42 is: 64,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,765.08 : 116,981.34 = 47,039.42 : x
  2. Step 2: Convert to fraction form
    84,765.08/116,981.34 = 47,039.42/x
  3. Step 3: Cross multiply
    84,765.08x = 116,981.34 × 47,039.42
  4. Step 4: Simplify right side
    84,765.08x = 5,502,734,384.42
  5. Step 5: Solve for x
    x = 5,502,734,384.42/84,765.08
  6. Step 6: Final answer
    x = 64,917.47

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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.