Home / 85,636.48-118,158.96-53,793.76

Finding the Fourth Proportional to 85,636.48, 118,158.96 and 53,793.76

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Solution

The fourth proportional to 85,636.48, 118,158.96 and 53,793.76 is: 74,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636.48 : 118,158.96 = 53,793.76 : x
  2. Step 2: Convert to fraction form
    85,636.48/118,158.96 = 53,793.76/x
  3. Step 3: Cross multiply
    85,636.48x = 118,158.96 × 53,793.76
  4. Step 4: Simplify right side
    85,636.48x = 6,356,214,736.09
  5. Step 5: Solve for x
    x = 6,356,214,736.09/85,636.48
  6. Step 6: Final answer
    x = 74,223.21

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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.