Home / 86,108.07-118,825.42-47,867.53

Finding the Fourth Proportional to 86,108.07, 118,825.42 and 47,867.53

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Solution

The fourth proportional to 86,108.07, 118,825.42 and 47,867.53 is: 66,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,108.07 : 118,825.42 = 47,867.53 : x
  2. Step 2: Convert to fraction form
    86,108.07/118,825.42 = 47,867.53/x
  3. Step 3: Cross multiply
    86,108.07x = 118,825.42 × 47,867.53
  4. Step 4: Simplify right side
    86,108.07x = 5,687,879,356.61
  5. Step 5: Solve for x
    x = 5,687,879,356.61/86,108.07
  6. Step 6: Final answer
    x = 66,055.13

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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.