Home / 63,038.16-87,118.07-51,690.06

Finding the Fourth Proportional to 63,038.16, 87,118.07 and 51,690.06

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Solution

The fourth proportional to 63,038.16, 87,118.07 and 51,690.06 is: 71,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,038.16 : 87,118.07 = 51,690.06 : x
  2. Step 2: Convert to fraction form
    63,038.16/87,118.07 = 51,690.06/x
  3. Step 3: Cross multiply
    63,038.16x = 87,118.07 × 51,690.06
  4. Step 4: Simplify right side
    63,038.16x = 4,503,138,006.93
  5. Step 5: Solve for x
    x = 4,503,138,006.93/63,038.16
  6. Step 6: Final answer
    x = 71,435.11

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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.