Home / 117,501.86-162,148.10-63,785.72

Finding the Fourth Proportional to 117,501.86, 162,148.10 and 63,785.72

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Solution

The fourth proportional to 117,501.86, 162,148.10 and 63,785.72 is: 88,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,501.86 : 162,148.10 = 63,785.72 : x
  2. Step 2: Convert to fraction form
    117,501.86/162,148.10 = 63,785.72/x
  3. Step 3: Cross multiply
    117,501.86x = 162,148.10 × 63,785.72
  4. Step 4: Simplify right side
    117,501.86x = 10,342,733,305.13
  5. Step 5: Solve for x
    x = 10,342,733,305.13/117,501.86
  6. Step 6: Final answer
    x = 88,021.87

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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.