Home / 117,864.25-162,656.10-64,152.74

Finding the Fourth Proportional to 117,864.25, 162,656.10 and 64,152.74

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Solution

The fourth proportional to 117,864.25, 162,656.10 and 64,152.74 is: 88,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,864.25 : 162,656.10 = 64,152.74 : x
  2. Step 2: Convert to fraction form
    117,864.25/162,656.10 = 64,152.74/x
  3. Step 3: Cross multiply
    117,864.25x = 162,656.10 × 64,152.74
  4. Step 4: Simplify right side
    117,864.25x = 10,434,834,899.35
  5. Step 5: Solve for x
    x = 10,434,834,899.35/117,864.25
  6. Step 6: Final answer
    x = 88,532.66

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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.