Home / 83,627.67-115,406.13-47,328.46

Finding the Fourth Proportional to 83,627.67, 115,406.13 and 47,328.46

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Solution

The fourth proportional to 83,627.67, 115,406.13 and 47,328.46 is: 65,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,627.67 : 115,406.13 = 47,328.46 : x
  2. Step 2: Convert to fraction form
    83,627.67/115,406.13 = 47,328.46/x
  3. Step 3: Cross multiply
    83,627.67x = 115,406.13 × 47,328.46
  4. Step 4: Simplify right side
    83,627.67x = 5,461,993,830.43
  5. Step 5: Solve for x
    x = 5,461,993,830.43/83,627.67
  6. Step 6: Final answer
    x = 65,313.24

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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.