Home / 118,070.75-162,937.74-64,354.69

Finding the Fourth Proportional to 118,070.75, 162,937.74 and 64,354.69

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Solution

The fourth proportional to 118,070.75, 162,937.74 and 64,354.69 is: 88,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,070.75 : 162,937.74 = 64,354.69 : x
  2. Step 2: Convert to fraction form
    118,070.75/162,937.74 = 64,354.69/x
  3. Step 3: Cross multiply
    118,070.75x = 162,937.74 × 64,354.69
  4. Step 4: Simplify right side
    118,070.75x = 10,485,807,747.00
  5. Step 5: Solve for x
    x = 10,485,807,747.00/118,070.75
  6. Step 6: Final answer
    x = 88,809.53

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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.