Home / 84,715.14-116,920.92-47,001.54

Finding the Fourth Proportional to 84,715.14, 116,920.92 and 47,001.54

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Solution

The fourth proportional to 84,715.14, 116,920.92 and 47,001.54 is: 64,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,715.14 : 116,920.92 = 47,001.54 : x
  2. Step 2: Convert to fraction form
    84,715.14/116,920.92 = 47,001.54/x
  3. Step 3: Cross multiply
    84,715.14x = 116,920.92 × 47,001.54
  4. Step 4: Simplify right side
    84,715.14x = 5,495,463,298.22
  5. Step 5: Solve for x
    x = 5,495,463,298.22/84,715.14
  6. Step 6: Final answer
    x = 64,869.91

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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.