Home / 118,338.51-163,306.76-70,593.87

Finding the Fourth Proportional to 118,338.51, 163,306.76 and 70,593.87

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Solution

The fourth proportional to 118,338.51, 163,306.76 and 70,593.87 is: 97,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,338.51 : 163,306.76 = 70,593.87 : x
  2. Step 2: Convert to fraction form
    118,338.51/163,306.76 = 70,593.87/x
  3. Step 3: Cross multiply
    118,338.51x = 163,306.76 × 70,593.87
  4. Step 4: Simplify right side
    118,338.51x = 11,528,455,832.59
  5. Step 5: Solve for x
    x = 11,528,455,832.59/118,338.51
  6. Step 6: Final answer
    x = 97,419.31

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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.