Home / 85,031.40-117,344.42-46,795.35

Finding the Fourth Proportional to 85,031.40, 117,344.42 and 46,795.35

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Solution

The fourth proportional to 85,031.40, 117,344.42 and 46,795.35 is: 64,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,031.40 : 117,344.42 = 46,795.35 : x
  2. Step 2: Convert to fraction form
    85,031.40/117,344.42 = 46,795.35/x
  3. Step 3: Cross multiply
    85,031.40x = 117,344.42 × 46,795.35
  4. Step 4: Simplify right side
    85,031.40x = 5,491,173,204.45
  5. Step 5: Solve for x
    x = 5,491,173,204.45/85,031.40
  6. Step 6: Final answer
    x = 64,578.18

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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.