Home / 98,859.42-136,426.12-53,537.47

Finding the Fourth Proportional to 98,859.42, 136,426.12 and 53,537.47

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Solution

The fourth proportional to 98,859.42, 136,426.12 and 53,537.47 is: 73,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859.42 : 136,426.12 = 53,537.47 : x
  2. Step 2: Convert to fraction form
    98,859.42/136,426.12 = 53,537.47/x
  3. Step 3: Cross multiply
    98,859.42x = 136,426.12 × 53,537.47
  4. Step 4: Simplify right side
    98,859.42x = 7,303,909,306.72
  5. Step 5: Solve for x
    x = 7,303,909,306.72/98,859.42
  6. Step 6: Final answer
    x = 73,881.77

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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.