Home / 98,823.92-136,376.06-53,500.74

Finding the Fourth Proportional to 98,823.92, 136,376.06 and 53,500.74

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Solution

The fourth proportional to 98,823.92, 136,376.06 and 53,500.74 is: 73,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,823.92 : 136,376.06 = 53,500.74 : x
  2. Step 2: Convert to fraction form
    98,823.92/136,376.06 = 53,500.74/x
  3. Step 3: Cross multiply
    98,823.92x = 136,376.06 × 53,500.74
  4. Step 4: Simplify right side
    98,823.92x = 7,296,219,860.78
  5. Step 5: Solve for x
    x = 7,296,219,860.78/98,823.92
  6. Step 6: Final answer
    x = 73,830.50

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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.