Home / 85,711.16-118,278.12-46,948.36

Finding the Fourth Proportional to 85,711.16, 118,278.12 and 46,948.36

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Solution

The fourth proportional to 85,711.16, 118,278.12 and 46,948.36 is: 64,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,711.16 : 118,278.12 = 46,948.36 : x
  2. Step 2: Convert to fraction form
    85,711.16/118,278.12 = 46,948.36/x
  3. Step 3: Cross multiply
    85,711.16x = 118,278.12 × 46,948.36
  4. Step 4: Simplify right side
    85,711.16x = 5,552,963,757.88
  5. Step 5: Solve for x
    x = 5,552,963,757.88/85,711.16
  6. Step 6: Final answer
    x = 64,786.94

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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.