Home / 83,666.84-115,453.08-47,851.10

Finding the Fourth Proportional to 83,666.84, 115,453.08 and 47,851.10

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Solution

The fourth proportional to 83,666.84, 115,453.08 and 47,851.10 is: 66,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,666.84 : 115,453.08 = 47,851.10 : x
  2. Step 2: Convert to fraction form
    83,666.84/115,453.08 = 47,851.10/x
  3. Step 3: Cross multiply
    83,666.84x = 115,453.08 × 47,851.10
  4. Step 4: Simplify right side
    83,666.84x = 5,524,556,876.39
  5. Step 5: Solve for x
    x = 5,524,556,876.39/83,666.84
  6. Step 6: Final answer
    x = 66,030.42

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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.