Home / 118,071.46-162,937.74-64,356.31

Finding the Fourth Proportional to 118,071.46, 162,937.74 and 64,356.31

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Solution

The fourth proportional to 118,071.46, 162,937.74 and 64,356.31 is: 88,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,071.46 : 162,937.74 = 64,356.31 : x
  2. Step 2: Convert to fraction form
    118,071.46/162,937.74 = 64,356.31/x
  3. Step 3: Cross multiply
    118,071.46x = 162,937.74 × 64,356.31
  4. Step 4: Simplify right side
    118,071.46x = 10,486,071,706.14
  5. Step 5: Solve for x
    x = 10,486,071,706.14/118,071.46
  6. Step 6: Final answer
    x = 88,811.23

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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.