Home / 79,417.26-109,597.68-45,428.94

Finding the Fourth Proportional to 79,417.26, 109,597.68 and 45,428.94

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Solution

The fourth proportional to 79,417.26, 109,597.68 and 45,428.94 is: 62,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.26 : 109,597.68 = 45,428.94 : x
  2. Step 2: Convert to fraction form
    79,417.26/109,597.68 = 45,428.94/x
  3. Step 3: Cross multiply
    79,417.26x = 109,597.68 × 45,428.94
  4. Step 4: Simplify right side
    79,417.26x = 4,978,906,428.86
  5. Step 5: Solve for x
    x = 4,978,906,428.86/79,417.26
  6. Step 6: Final answer
    x = 62,693.00

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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.