Home / 77,967.38-107,594.95-43,975.80

Finding the Fourth Proportional to 77,967.38, 107,594.95 and 43,975.80

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Solution

The fourth proportional to 77,967.38, 107,594.95 and 43,975.80 is: 60,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.38 : 107,594.95 = 43,975.80 : x
  2. Step 2: Convert to fraction form
    77,967.38/107,594.95 = 43,975.80/x
  3. Step 3: Cross multiply
    77,967.38x = 107,594.95 × 43,975.80
  4. Step 4: Simplify right side
    77,967.38x = 4,731,574,002.21
  5. Step 5: Solve for x
    x = 4,731,574,002.21/77,967.38
  6. Step 6: Final answer
    x = 60,686.58

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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.