Home / 99,185.60-136,888.64-61,465.52

Finding the Fourth Proportional to 99,185.60, 136,888.64 and 61,465.52

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Solution

The fourth proportional to 99,185.60, 136,888.64 and 61,465.52 is: 84,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,185.60 : 136,888.64 = 61,465.52 : x
  2. Step 2: Convert to fraction form
    99,185.60/136,888.64 = 61,465.52/x
  3. Step 3: Cross multiply
    99,185.60x = 136,888.64 × 61,465.52
  4. Step 4: Simplify right side
    99,185.60x = 8,413,930,447.92
  5. Step 5: Solve for x
    x = 8,413,930,447.92/99,185.60
  6. Step 6: Final answer
    x = 84,830.17

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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.