Home / 77,966.85-107,594.12-43,975.23

Finding the Fourth Proportional to 77,966.85, 107,594.12 and 43,975.23

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Solution

The fourth proportional to 77,966.85, 107,594.12 and 43,975.23 is: 60,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966.85 : 107,594.12 = 43,975.23 : x
  2. Step 2: Convert to fraction form
    77,966.85/107,594.12 = 43,975.23/x
  3. Step 3: Cross multiply
    77,966.85x = 107,594.12 × 43,975.23
  4. Step 4: Simplify right side
    77,966.85x = 4,731,475,953.77
  5. Step 5: Solve for x
    x = 4,731,475,953.77/77,966.85
  6. Step 6: Final answer
    x = 60,685.74

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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.