Home / 98,859.17-136,425.78-53,537.23

Finding the Fourth Proportional to 98,859.17, 136,425.78 and 53,537.23

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Solution

The fourth proportional to 98,859.17, 136,425.78 and 53,537.23 is: 73,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859.17 : 136,425.78 = 53,537.23 : x
  2. Step 2: Convert to fraction form
    98,859.17/136,425.78 = 53,537.23/x
  3. Step 3: Cross multiply
    98,859.17x = 136,425.78 × 53,537.23
  4. Step 4: Simplify right side
    98,859.17x = 7,303,857,679.66
  5. Step 5: Solve for x
    x = 7,303,857,679.66/98,859.17
  6. Step 6: Final answer
    x = 73,881.44

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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.