Home / 78,160.90-117,398.28-46,632.56

Finding the Fourth Proportional to 78,160.90, 117,398.28 and 46,632.56

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Solution

The fourth proportional to 78,160.90, 117,398.28 and 46,632.56 is: 70,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,160.90 : 117,398.28 = 46,632.56 : x
  2. Step 2: Convert to fraction form
    78,160.90/117,398.28 = 46,632.56/x
  3. Step 3: Cross multiply
    78,160.90x = 117,398.28 × 46,632.56
  4. Step 4: Simplify right side
    78,160.90x = 5,474,582,336.00
  5. Step 5: Solve for x
    x = 5,474,582,336.00/78,160.90
  6. Step 6: Final answer
    x = 70,042.47

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1.5x scale

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.