Home / 86,173.52-118,904.90-47,928.04

Finding the Fourth Proportional to 86,173.52, 118,904.90 and 47,928.04

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Solution

The fourth proportional to 86,173.52, 118,904.90 and 47,928.04 is: 66,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173.52 : 118,904.90 = 47,928.04 : x
  2. Step 2: Convert to fraction form
    86,173.52/118,904.90 = 47,928.04/x
  3. Step 3: Cross multiply
    86,173.52x = 118,904.90 × 47,928.04
  4. Step 4: Simplify right side
    86,173.52x = 5,698,878,803.40
  5. Step 5: Solve for x
    x = 5,698,878,803.40/86,173.52
  6. Step 6: Final answer
    x = 66,132.60

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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.