Home / 118,751.81-163,877.76-64,304.57

Finding the Fourth Proportional to 118,751.81, 163,877.76 and 64,304.57

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Solution

The fourth proportional to 118,751.81, 163,877.76 and 64,304.57 is: 88,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,751.81 : 163,877.76 = 64,304.57 : x
  2. Step 2: Convert to fraction form
    118,751.81/163,877.76 = 64,304.57/x
  3. Step 3: Cross multiply
    118,751.81x = 163,877.76 × 64,304.57
  4. Step 4: Simplify right side
    118,751.81x = 10,538,088,889.36
  5. Step 5: Solve for x
    x = 10,538,088,889.36/118,751.81
  6. Step 6: Final answer
    x = 88,740.45

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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.