Home / 85,031.90-117,351.70-46,799.10

Finding the Fourth Proportional to 85,031.90, 117,351.70 and 46,799.10

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Solution

The fourth proportional to 85,031.90, 117,351.70 and 46,799.10 is: 64,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,031.90 : 117,351.70 = 46,799.10 : x
  2. Step 2: Convert to fraction form
    85,031.90/117,351.70 = 46,799.10/x
  3. Step 3: Cross multiply
    85,031.90x = 117,351.70 × 46,799.10
  4. Step 4: Simplify right side
    85,031.90x = 5,491,953,943.47
  5. Step 5: Solve for x
    x = 5,491,953,943.47/85,031.90
  6. Step 6: Final answer
    x = 64,586.98

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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.