Home / 85,273.25-117,680.73-47,547.50

Finding the Fourth Proportional to 85,273.25, 117,680.73 and 47,547.50

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Solution

The fourth proportional to 85,273.25, 117,680.73 and 47,547.50 is: 65,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273.25 : 117,680.73 = 47,547.50 : x
  2. Step 2: Convert to fraction form
    85,273.25/117,680.73 = 47,547.50/x
  3. Step 3: Cross multiply
    85,273.25x = 117,680.73 × 47,547.50
  4. Step 4: Simplify right side
    85,273.25x = 5,595,424,509.68
  5. Step 5: Solve for x
    x = 5,595,424,509.68/85,273.25
  6. Step 6: Final answer
    x = 65,617.58

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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.