Home / 83,813.25-115,661.27-62,398.67

Finding the Fourth Proportional to 83,813.25, 115,661.27 and 62,398.67

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Solution

The fourth proportional to 83,813.25, 115,661.27 and 62,398.67 is: 86,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,813.25 : 115,661.27 = 62,398.67 : x
  2. Step 2: Convert to fraction form
    83,813.25/115,661.27 = 62,398.67/x
  3. Step 3: Cross multiply
    83,813.25x = 115,661.27 × 62,398.67
  4. Step 4: Simplify right side
    83,813.25x = 7,217,108,528.21
  5. Step 5: Solve for x
    x = 7,217,108,528.21/83,813.25
  6. Step 6: Final answer
    x = 86,109.40

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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.