Home / 117,706.77-162,438.53-63,995.47

Finding the Fourth Proportional to 117,706.77, 162,438.53 and 63,995.47

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Solution

The fourth proportional to 117,706.77, 162,438.53 and 63,995.47 is: 88,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,706.77 : 162,438.53 = 63,995.47 : x
  2. Step 2: Convert to fraction form
    117,706.77/162,438.53 = 63,995.47/x
  3. Step 3: Cross multiply
    117,706.77x = 162,438.53 × 63,995.47
  4. Step 4: Simplify right side
    117,706.77x = 10,395,329,347.39
  5. Step 5: Solve for x
    x = 10,395,329,347.39/117,706.77
  6. Step 6: Final answer
    x = 88,315.48

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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.