Home / 77,673.14-107,187.90-43,681.62

Finding the Fourth Proportional to 77,673.14, 107,187.90 and 43,681.62

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Solution

The fourth proportional to 77,673.14, 107,187.90 and 43,681.62 is: 60,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.14 : 107,187.90 = 43,681.62 : x
  2. Step 2: Convert to fraction form
    77,673.14/107,187.90 = 43,681.62/x
  3. Step 3: Cross multiply
    77,673.14x = 107,187.90 × 43,681.62
  4. Step 4: Simplify right side
    77,673.14x = 4,682,141,116.40
  5. Step 5: Solve for x
    x = 4,682,141,116.40/77,673.14
  6. Step 6: Final answer
    x = 60,280.05

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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.