Home / 126,654.63-174,783.45-70,074.51

Finding the Fourth Proportional to 126,654.63, 174,783.45 and 70,074.51

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Solution

The fourth proportional to 126,654.63, 174,783.45 and 70,074.51 is: 96,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,654.63 : 174,783.45 = 70,074.51 : x
  2. Step 2: Convert to fraction form
    126,654.63/174,783.45 = 70,074.51/x
  3. Step 3: Cross multiply
    126,654.63x = 174,783.45 × 70,074.51
  4. Step 4: Simplify right side
    126,654.63x = 12,247,864,614.86
  5. Step 5: Solve for x
    x = 12,247,864,614.86/126,654.63
  6. Step 6: Final answer
    x = 96,702.86

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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.