Home / 79,429.04-118,962.12-37,905.20

Finding the Fourth Proportional to 79,429.04, 118,962.12 and 37,905.20

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Solution

The fourth proportional to 79,429.04, 118,962.12 and 37,905.20 is: 56,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,429.04 : 118,962.12 = 37,905.20 : x
  2. Step 2: Convert to fraction form
    79,429.04/118,962.12 = 37,905.20/x
  3. Step 3: Cross multiply
    79,429.04x = 118,962.12 × 37,905.20
  4. Step 4: Simplify right side
    79,429.04x = 4,509,282,951.02
  5. Step 5: Solve for x
    x = 4,509,282,951.02/79,429.04
  6. Step 6: Final answer
    x = 56,771.21

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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.