Home / 117,902.18-162,746.01-70,154.51

Finding the Fourth Proportional to 117,902.18, 162,746.01 and 70,154.51

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Solution

The fourth proportional to 117,902.18, 162,746.01 and 70,154.51 is: 96,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,902.18 : 162,746.01 = 70,154.51 : x
  2. Step 2: Convert to fraction form
    117,902.18/162,746.01 = 70,154.51/x
  3. Step 3: Cross multiply
    117,902.18x = 162,746.01 × 70,154.51
  4. Step 4: Simplify right side
    117,902.18x = 11,417,365,772.28
  5. Step 5: Solve for x
    x = 11,417,365,772.28/117,902.18
  6. Step 6: Final answer
    x = 96,837.61

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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.