Home / 117,681.42-162,403.50-63,970.04

Finding the Fourth Proportional to 117,681.42, 162,403.50 and 63,970.04

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Solution

The fourth proportional to 117,681.42, 162,403.50 and 63,970.04 is: 88,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,681.42 : 162,403.50 = 63,970.04 : x
  2. Step 2: Convert to fraction form
    117,681.42/162,403.50 = 63,970.04/x
  3. Step 3: Cross multiply
    117,681.42x = 162,403.50 × 63,970.04
  4. Step 4: Simplify right side
    117,681.42x = 10,388,958,391.14
  5. Step 5: Solve for x
    x = 10,388,958,391.14/117,681.42
  6. Step 6: Final answer
    x = 88,280.36

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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.