Home / 118,603.08-163,676.13-64,886.86

Finding the Fourth Proportional to 118,603.08, 163,676.13 and 64,886.86

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Solution

The fourth proportional to 118,603.08, 163,676.13 and 64,886.86 is: 89,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,603.08 : 163,676.13 = 64,886.86 : x
  2. Step 2: Convert to fraction form
    118,603.08/163,676.13 = 64,886.86/x
  3. Step 3: Cross multiply
    118,603.08x = 163,676.13 × 64,886.86
  4. Step 4: Simplify right side
    118,603.08x = 10,620,430,132.65
  5. Step 5: Solve for x
    x = 10,620,430,132.65/118,603.08
  6. Step 6: Final answer
    x = 89,545.99

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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.