Home / 118,632.72-163,713.14-64,917.74

Finding the Fourth Proportional to 118,632.72, 163,713.14 and 64,917.74

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Solution

The fourth proportional to 118,632.72, 163,713.14 and 64,917.74 is: 89,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,632.72 : 163,713.14 = 64,917.74 : x
  2. Step 2: Convert to fraction form
    118,632.72/163,713.14 = 64,917.74/x
  3. Step 3: Cross multiply
    118,632.72x = 163,713.14 × 64,917.74
  4. Step 4: Simplify right side
    118,632.72x = 10,627,885,913.95
  5. Step 5: Solve for x
    x = 10,627,885,913.95/118,632.72
  6. Step 6: Final answer
    x = 89,586.46

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1.5x scale

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.