Home / 98,856.42-136,421.98-53,534.47

Finding the Fourth Proportional to 98,856.42, 136,421.98 and 53,534.47

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Solution

The fourth proportional to 98,856.42, 136,421.98 and 53,534.47 is: 73,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,856.42 : 136,421.98 = 53,534.47 : x
  2. Step 2: Convert to fraction form
    98,856.42/136,421.98 = 53,534.47/x
  3. Step 3: Cross multiply
    98,856.42x = 136,421.98 × 53,534.47
  4. Step 4: Simplify right side
    98,856.42x = 7,303,278,768.79
  5. Step 5: Solve for x
    x = 7,303,278,768.79/98,856.42
  6. Step 6: Final answer
    x = 73,877.64

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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.