Home / 82,011.12-113,175.75-46,201.70

Finding the Fourth Proportional to 82,011.12, 113,175.75 and 46,201.70

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Solution

The fourth proportional to 82,011.12, 113,175.75 and 46,201.70 is: 63,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,011.12 : 113,175.75 = 46,201.70 : x
  2. Step 2: Convert to fraction form
    82,011.12/113,175.75 = 46,201.70/x
  3. Step 3: Cross multiply
    82,011.12x = 113,175.75 × 46,201.70
  4. Step 4: Simplify right side
    82,011.12x = 5,228,911,482.90
  5. Step 5: Solve for x
    x = 5,228,911,482.90/82,011.12
  6. Step 6: Final answer
    x = 63,758.57

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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.