Home / 79,710.05-109,998.51-43,903.40

Finding the Fourth Proportional to 79,710.05, 109,998.51 and 43,903.40

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Solution

The fourth proportional to 79,710.05, 109,998.51 and 43,903.40 is: 60,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710.05 : 109,998.51 = 43,903.40 : x
  2. Step 2: Convert to fraction form
    79,710.05/109,998.51 = 43,903.40/x
  3. Step 3: Cross multiply
    79,710.05x = 109,998.51 × 43,903.40
  4. Step 4: Simplify right side
    79,710.05x = 4,829,308,033.94
  5. Step 5: Solve for x
    x = 4,829,308,033.94/79,710.05
  6. Step 6: Final answer
    x = 60,585.94

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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.