Home / 99,221.14-148,488.47-61,254.82

Finding the Fourth Proportional to 99,221.14, 148,488.47 and 61,254.82

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Solution

The fourth proportional to 99,221.14, 148,488.47 and 61,254.82 is: 91,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221.14 : 148,488.47 = 61,254.82 : x
  2. Step 2: Convert to fraction form
    99,221.14/148,488.47 = 61,254.82/x
  3. Step 3: Cross multiply
    99,221.14x = 148,488.47 × 61,254.82
  4. Step 4: Simplify right side
    99,221.14x = 9,095,634,501.93
  5. Step 5: Solve for x
    x = 9,095,634,501.93/99,221.14
  6. Step 6: Final answer
    x = 91,670.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.