Home / 85,901.58-118,517.28-49,598.28

Finding the Fourth Proportional to 85,901.58, 118,517.28 and 49,598.28

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Solution

The fourth proportional to 85,901.58, 118,517.28 and 49,598.28 is: 68,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,901.58 : 118,517.28 = 49,598.28 : x
  2. Step 2: Convert to fraction form
    85,901.58/118,517.28 = 49,598.28/x
  3. Step 3: Cross multiply
    85,901.58x = 118,517.28 × 49,598.28
  4. Step 4: Simplify right side
    85,901.58x = 5,878,253,238.28
  5. Step 5: Solve for x
    x = 5,878,253,238.28/85,901.58
  6. Step 6: Final answer
    x = 68,430.09

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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.