Home / 85,360.90-117,804.57-47,127.82

Finding the Fourth Proportional to 85,360.90, 117,804.57 and 47,127.82

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Solution

The fourth proportional to 85,360.90, 117,804.57 and 47,127.82 is: 65,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360.90 : 117,804.57 = 47,127.82 : x
  2. Step 2: Convert to fraction form
    85,360.90/117,804.57 = 47,127.82/x
  3. Step 3: Cross multiply
    85,360.90x = 117,804.57 × 47,127.82
  4. Step 4: Simplify right side
    85,360.90x = 5,551,872,570.14
  5. Step 5: Solve for x
    x = 5,551,872,570.14/85,360.90
  6. Step 6: Final answer
    x = 65,040.00

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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.