Home / 78,984.40-118,284.60-41,966.80

Finding the Fourth Proportional to 78,984.40, 118,284.60 and 41,966.80

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Solution

The fourth proportional to 78,984.40, 118,284.60 and 41,966.80 is: 62,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,984.40 : 118,284.60 = 41,966.80 : x
  2. Step 2: Convert to fraction form
    78,984.40/118,284.60 = 41,966.80/x
  3. Step 3: Cross multiply
    78,984.40x = 118,284.60 × 41,966.80
  4. Step 4: Simplify right side
    78,984.40x = 4,964,026,151.28
  5. Step 5: Solve for x
    x = 4,964,026,151.28/78,984.40
  6. Step 6: Final answer
    x = 62,848.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.