Home / 117,630.04-176,345.87-51,020

Finding the Fourth Proportional to 117,630.04, 176,345.87 and 51,020

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Solution

The fourth proportional to 117,630.04, 176,345.87 and 51,020 is: 76,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.04 : 176,345.87 = 51,020 : x
  2. Step 2: Convert to fraction form
    117,630.04/176,345.87 = 51,020/x
  3. Step 3: Cross multiply
    117,630.04x = 176,345.87 × 51,020
  4. Step 4: Simplify right side
    117,630.04x = 8,997,166,287.40
  5. Step 5: Solve for x
    x = 8,997,166,287.40/117,630.04
  6. Step 6: Final answer
    x = 76,486.98

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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.