Home / 63,128.09-87,113.08-34,833.71

Finding the Fourth Proportional to 63,128.09, 87,113.08 and 34,833.71

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Solution

The fourth proportional to 63,128.09, 87,113.08 and 34,833.71 is: 48,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.09 : 87,113.08 = 34,833.71 : x
  2. Step 2: Convert to fraction form
    63,128.09/87,113.08 = 34,833.71/x
  3. Step 3: Cross multiply
    63,128.09x = 87,113.08 × 34,833.71
  4. Step 4: Simplify right side
    63,128.09x = 3,034,471,765.93
  5. Step 5: Solve for x
    x = 3,034,471,765.93/63,128.09
  6. Step 6: Final answer
    x = 48,068.49

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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.