Home / 79,068.50-118,526.63-29,121.36

Finding the Fourth Proportional to 79,068.50, 118,526.63 and 29,121.36

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Solution

The fourth proportional to 79,068.50, 118,526.63 and 29,121.36 is: 43,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,068.50 : 118,526.63 = 29,121.36 : x
  2. Step 2: Convert to fraction form
    79,068.50/118,526.63 = 29,121.36/x
  3. Step 3: Cross multiply
    79,068.50x = 118,526.63 × 29,121.36
  4. Step 4: Simplify right side
    79,068.50x = 3,451,656,071.74
  5. Step 5: Solve for x
    x = 3,451,656,071.74/79,068.50
  6. Step 6: Final answer
    x = 43,654.00

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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.