Home / 85,350.48-117,786.87-47,632.02

Finding the Fourth Proportional to 85,350.48, 117,786.87 and 47,632.02

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Solution

The fourth proportional to 85,350.48, 117,786.87 and 47,632.02 is: 65,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,350.48 : 117,786.87 = 47,632.02 : x
  2. Step 2: Convert to fraction form
    85,350.48/117,786.87 = 47,632.02/x
  3. Step 3: Cross multiply
    85,350.48x = 117,786.87 × 47,632.02
  4. Step 4: Simplify right side
    85,350.48x = 5,610,426,547.58
  5. Step 5: Solve for x
    x = 5,610,426,547.58/85,350.48
  6. Step 6: Final answer
    x = 65,733.98

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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.