Home / 98,977.83-136,589.33-53,657.27

Finding the Fourth Proportional to 98,977.83, 136,589.33 and 53,657.27

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Solution

The fourth proportional to 98,977.83, 136,589.33 and 53,657.27 is: 74,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,977.83 : 136,589.33 = 53,657.27 : x
  2. Step 2: Convert to fraction form
    98,977.83/136,589.33 = 53,657.27/x
  3. Step 3: Cross multiply
    98,977.83x = 136,589.33 × 53,657.27
  4. Step 4: Simplify right side
    98,977.83x = 7,329,009,607.70
  5. Step 5: Solve for x
    x = 7,329,009,607.70/98,977.83
  6. Step 6: Final answer
    x = 74,046.98

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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.