Home / 63,109.45-87,089.63-34,815.13

Finding the Fourth Proportional to 63,109.45, 87,089.63 and 34,815.13

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Solution

The fourth proportional to 63,109.45, 87,089.63 and 34,815.13 is: 48,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,109.45 : 87,089.63 = 34,815.13 : x
  2. Step 2: Convert to fraction form
    63,109.45/87,089.63 = 34,815.13/x
  3. Step 3: Cross multiply
    63,109.45x = 87,089.63 × 34,815.13
  4. Step 4: Simplify right side
    63,109.45x = 3,032,036,790.10
  5. Step 5: Solve for x
    x = 3,032,036,790.10/63,109.45
  6. Step 6: Final answer
    x = 48,044.10

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1.5x scale

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.