Home / 117,476.04-162,117.07-63,761.07

Finding the Fourth Proportional to 117,476.04, 162,117.07 and 63,761.07

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Solution

The fourth proportional to 117,476.04, 162,117.07 and 63,761.07 is: 87,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.04 : 162,117.07 = 63,761.07 : x
  2. Step 2: Convert to fraction form
    117,476.04/162,117.07 = 63,761.07/x
  3. Step 3: Cross multiply
    117,476.04x = 162,117.07 × 63,761.07
  4. Step 4: Simplify right side
    117,476.04x = 10,336,757,081.12
  5. Step 5: Solve for x
    x = 10,336,757,081.12/117,476.04
  6. Step 6: Final answer
    x = 87,990.35

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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.