Home / 99,208.38-136,840.95-61,501.26

Finding the Fourth Proportional to 99,208.38, 136,840.95 and 61,501.26

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Solution

The fourth proportional to 99,208.38, 136,840.95 and 61,501.26 is: 84,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208.38 : 136,840.95 = 61,501.26 : x
  2. Step 2: Convert to fraction form
    99,208.38/136,840.95 = 61,501.26/x
  3. Step 3: Cross multiply
    99,208.38x = 136,840.95 × 61,501.26
  4. Step 4: Simplify right side
    99,208.38x = 8,415,890,844.60
  5. Step 5: Solve for x
    x = 8,415,890,844.60/99,208.38
  6. Step 6: Final answer
    x = 84,830.44

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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.