Home / 85,179.24-117,547.32-49,390.08

Finding the Fourth Proportional to 85,179.24, 117,547.32 and 49,390.08

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Solution

The fourth proportional to 85,179.24, 117,547.32 and 49,390.08 is: 68,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179.24 : 117,547.32 = 49,390.08 : x
  2. Step 2: Convert to fraction form
    85,179.24/117,547.32 = 49,390.08/x
  3. Step 3: Cross multiply
    85,179.24x = 117,547.32 × 49,390.08
  4. Step 4: Simplify right side
    85,179.24x = 5,805,671,538.59
  5. Step 5: Solve for x
    x = 5,805,671,538.59/85,179.24
  6. Step 6: Final answer
    x = 68,158.29

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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.