Home / 98,816.21-136,366.22-53,494.19

Finding the Fourth Proportional to 98,816.21, 136,366.22 and 53,494.19

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Solution

The fourth proportional to 98,816.21, 136,366.22 and 53,494.19 is: 73,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,816.21 : 136,366.22 = 53,494.19 : x
  2. Step 2: Convert to fraction form
    98,816.21/136,366.22 = 53,494.19/x
  3. Step 3: Cross multiply
    98,816.21x = 136,366.22 × 53,494.19
  4. Step 4: Simplify right side
    98,816.21x = 7,294,799,934.17
  5. Step 5: Solve for x
    x = 7,294,799,934.17/98,816.21
  6. Step 6: Final answer
    x = 73,821.89

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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.