Home / 85,825.88-118,444.57-48,102.56

Finding the Fourth Proportional to 85,825.88, 118,444.57 and 48,102.56

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Solution

The fourth proportional to 85,825.88, 118,444.57 and 48,102.56 is: 66,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,825.88 : 118,444.57 = 48,102.56 : x
  2. Step 2: Convert to fraction form
    85,825.88/118,444.57 = 48,102.56/x
  3. Step 3: Cross multiply
    85,825.88x = 118,444.57 × 48,102.56
  4. Step 4: Simplify right side
    85,825.88x = 5,697,487,035.10
  5. Step 5: Solve for x
    x = 5,697,487,035.10/85,825.88
  6. Step 6: Final answer
    x = 66,384.25

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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.