Home / 118,480.77-163,427.09-70,697.25

Finding the Fourth Proportional to 118,480.77, 163,427.09 and 70,697.25

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Solution

The fourth proportional to 118,480.77, 163,427.09 and 70,697.25 is: 97,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,480.77 : 163,427.09 = 70,697.25 : x
  2. Step 2: Convert to fraction form
    118,480.77/163,427.09 = 70,697.25/x
  3. Step 3: Cross multiply
    118,480.77x = 163,427.09 × 70,697.25
  4. Step 4: Simplify right side
    118,480.77x = 11,553,845,485.02
  5. Step 5: Solve for x
    x = 11,553,845,485.02/118,480.77
  6. Step 6: Final answer
    x = 97,516.63

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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.