Home / 118,750.81-163,876.38-64,303.57

Finding the Fourth Proportional to 118,750.81, 163,876.38 and 64,303.57

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Solution

The fourth proportional to 118,750.81, 163,876.38 and 64,303.57 is: 88,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750.81 : 163,876.38 = 64,303.57 : x
  2. Step 2: Convert to fraction form
    118,750.81/163,876.38 = 64,303.57/x
  3. Step 3: Cross multiply
    118,750.81x = 163,876.38 × 64,303.57
  4. Step 4: Simplify right side
    118,750.81x = 10,537,836,272.68
  5. Step 5: Solve for x
    x = 10,537,836,272.68/118,750.81
  6. Step 6: Final answer
    x = 88,739.07

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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.