Home / 66,601.63-99,416.59-58,193.98

Finding the Fourth Proportional to 66,601.63, 99,416.59 and 58,193.98

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Solution

The fourth proportional to 66,601.63, 99,416.59 and 58,193.98 is: 86,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,601.63 : 99,416.59 = 58,193.98 : x
  2. Step 2: Convert to fraction form
    66,601.63/99,416.59 = 58,193.98/x
  3. Step 3: Cross multiply
    66,601.63x = 99,416.59 × 58,193.98
  4. Step 4: Simplify right side
    66,601.63x = 5,785,446,983.44
  5. Step 5: Solve for x
    x = 5,785,446,983.44/66,601.63
  6. Step 6: Final answer
    x = 86,866.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.