Home / 83,688.26-115,490.61-45,962.51

Finding the Fourth Proportional to 83,688.26, 115,490.61 and 45,962.51

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Solution

The fourth proportional to 83,688.26, 115,490.61 and 45,962.51 is: 63,428.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,688.26 : 115,490.61 = 45,962.51 : x
  2. Step 2: Convert to fraction form
    83,688.26/115,490.61 = 45,962.51/x
  3. Step 3: Cross multiply
    83,688.26x = 115,490.61 × 45,962.51
  4. Step 4: Simplify right side
    83,688.26x = 5,308,237,739.58
  5. Step 5: Solve for x
    x = 5,308,237,739.58/83,688.26
  6. Step 6: Final answer
    x = 63,428.71

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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.