Home / 117,718.90-162,455.35-64,007.59

Finding the Fourth Proportional to 117,718.90, 162,455.35 and 64,007.59

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Solution

The fourth proportional to 117,718.90, 162,455.35 and 64,007.59 is: 88,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,718.90 : 162,455.35 = 64,007.59 : x
  2. Step 2: Convert to fraction form
    117,718.90/162,455.35 = 64,007.59/x
  3. Step 3: Cross multiply
    117,718.90x = 162,455.35 × 64,007.59
  4. Step 4: Simplify right side
    117,718.90x = 10,398,375,436.11
  5. Step 5: Solve for x
    x = 10,398,375,436.11/117,718.90
  6. Step 6: Final answer
    x = 88,332.25

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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.