Home / 63,020.16-87,037.80-42,842.01

Finding the Fourth Proportional to 63,020.16, 87,037.80 and 42,842.01

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Solution

The fourth proportional to 63,020.16, 87,037.80 and 42,842.01 is: 59,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,020.16 : 87,037.80 = 42,842.01 : x
  2. Step 2: Convert to fraction form
    63,020.16/87,037.80 = 42,842.01/x
  3. Step 3: Cross multiply
    63,020.16x = 87,037.80 × 42,842.01
  4. Step 4: Simplify right side
    63,020.16x = 3,728,874,297.98
  5. Step 5: Solve for x
    x = 3,728,874,297.98/63,020.16
  6. Step 6: Final answer
    x = 59,169.55

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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.