Home / 86,132.46-118,848.37-47,890.93

Finding the Fourth Proportional to 86,132.46, 118,848.37 and 47,890.93

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Solution

The fourth proportional to 86,132.46, 118,848.37 and 47,890.93 is: 66,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,132.46 : 118,848.37 = 47,890.93 : x
  2. Step 2: Convert to fraction form
    86,132.46/118,848.37 = 47,890.93/x
  3. Step 3: Cross multiply
    86,132.46x = 118,848.37 × 47,890.93
  4. Step 4: Simplify right side
    86,132.46x = 5,691,758,968.28
  5. Step 5: Solve for x
    x = 5,691,758,968.28/86,132.46
  6. Step 6: Final answer
    x = 66,081.46

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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.