Home / 78,966.60-118,346.16-37,425.48

Finding the Fourth Proportional to 78,966.60, 118,346.16 and 37,425.48

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Solution

The fourth proportional to 78,966.60, 118,346.16 and 37,425.48 is: 56,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,966.60 : 118,346.16 = 37,425.48 : x
  2. Step 2: Convert to fraction form
    78,966.60/118,346.16 = 37,425.48/x
  3. Step 3: Cross multiply
    78,966.60x = 118,346.16 × 37,425.48
  4. Step 4: Simplify right side
    78,966.60x = 4,429,161,844.16
  5. Step 5: Solve for x
    x = 4,429,161,844.16/78,966.60
  6. Step 6: Final answer
    x = 56,089.05

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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.