Home / 117,814.71-162,587.09-66,830.88

Finding the Fourth Proportional to 117,814.71, 162,587.09 and 66,830.88

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Solution

The fourth proportional to 117,814.71, 162,587.09 and 66,830.88 is: 92,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,814.71 : 162,587.09 = 66,830.88 : x
  2. Step 2: Convert to fraction form
    117,814.71/162,587.09 = 66,830.88/x
  3. Step 3: Cross multiply
    117,814.71x = 162,587.09 × 66,830.88
  4. Step 4: Simplify right side
    117,814.71x = 10,865,838,301.34
  5. Step 5: Solve for x
    x = 10,865,838,301.34/117,814.71
  6. Step 6: Final answer
    x = 92,228.20

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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.