Home / 98,798.26-136,372.26-56,385.04

Finding the Fourth Proportional to 98,798.26, 136,372.26 and 56,385.04

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Solution

The fourth proportional to 98,798.26, 136,372.26 and 56,385.04 is: 77,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,798.26 : 136,372.26 = 56,385.04 : x
  2. Step 2: Convert to fraction form
    98,798.26/136,372.26 = 56,385.04/x
  3. Step 3: Cross multiply
    98,798.26x = 136,372.26 × 56,385.04
  4. Step 4: Simplify right side
    98,798.26x = 7,689,355,334.99
  5. Step 5: Solve for x
    x = 7,689,355,334.99/98,798.26
  6. Step 6: Final answer
    x = 77,828.85

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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.