Home / 98,929.08-136,522.13-53,606.70

Finding the Fourth Proportional to 98,929.08, 136,522.13 and 53,606.70

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Solution

The fourth proportional to 98,929.08, 136,522.13 and 53,606.70 is: 73,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,929.08 : 136,522.13 = 53,606.70 : x
  2. Step 2: Convert to fraction form
    98,929.08/136,522.13 = 53,606.70/x
  3. Step 3: Cross multiply
    98,929.08x = 136,522.13 × 53,606.70
  4. Step 4: Simplify right side
    98,929.08x = 7,318,500,866.27
  5. Step 5: Solve for x
    x = 7,318,500,866.27/98,929.08
  6. Step 6: Final answer
    x = 73,977.25

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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.