Home / 85,947.16-118,605.22-47,704.47

Finding the Fourth Proportional to 85,947.16, 118,605.22 and 47,704.47

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Solution

The fourth proportional to 85,947.16, 118,605.22 and 47,704.47 is: 65,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,947.16 : 118,605.22 = 47,704.47 : x
  2. Step 2: Convert to fraction form
    85,947.16/118,605.22 = 47,704.47/x
  3. Step 3: Cross multiply
    85,947.16x = 118,605.22 × 47,704.47
  4. Step 4: Simplify right side
    85,947.16x = 5,657,999,159.33
  5. Step 5: Solve for x
    x = 5,657,999,159.33/85,947.16
  6. Step 6: Final answer
    x = 65,831.14

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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.