Home / 85,179.44-117,547.80-47,455.04

Finding the Fourth Proportional to 85,179.44, 117,547.80 and 47,455.04

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Solution

The fourth proportional to 85,179.44, 117,547.80 and 47,455.04 is: 65,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179.44 : 117,547.80 = 47,455.04 : x
  2. Step 2: Convert to fraction form
    85,179.44/117,547.80 = 47,455.04/x
  3. Step 3: Cross multiply
    85,179.44x = 117,547.80 × 47,455.04
  4. Step 4: Simplify right side
    85,179.44x = 5,578,235,550.91
  5. Step 5: Solve for x
    x = 5,578,235,550.91/85,179.44
  6. Step 6: Final answer
    x = 65,488.05

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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.