Home / 118,050.35-162,935.77-75,021.45

Finding the Fourth Proportional to 118,050.35, 162,935.77 and 75,021.45

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Solution

The fourth proportional to 118,050.35, 162,935.77 and 75,021.45 is: 103,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,050.35 : 162,935.77 = 75,021.45 : x
  2. Step 2: Convert to fraction form
    118,050.35/162,935.77 = 75,021.45/x
  3. Step 3: Cross multiply
    118,050.35x = 162,935.77 × 75,021.45
  4. Step 4: Simplify right side
    118,050.35x = 12,223,677,337.18
  5. Step 5: Solve for x
    x = 12,223,677,337.18/118,050.35
  6. Step 6: Final answer
    x = 103,546.31

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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.