Home / 78,001.14-107,632.31-44,007.64

Finding the Fourth Proportional to 78,001.14, 107,632.31 and 44,007.64

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Solution

The fourth proportional to 78,001.14, 107,632.31 and 44,007.64 is: 60,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,001.14 : 107,632.31 = 44,007.64 : x
  2. Step 2: Convert to fraction form
    78,001.14/107,632.31 = 44,007.64/x
  3. Step 3: Cross multiply
    78,001.14x = 107,632.31 × 44,007.64
  4. Step 4: Simplify right side
    78,001.14x = 4,736,643,730.81
  5. Step 5: Solve for x
    x = 4,736,643,730.81/78,001.14
  6. Step 6: Final answer
    x = 60,725.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.