Home / 85,799.84-118,403.70-48,074.36

Finding the Fourth Proportional to 85,799.84, 118,403.70 and 48,074.36

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Solution

The fourth proportional to 85,799.84, 118,403.70 and 48,074.36 is: 66,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,799.84 : 118,403.70 = 48,074.36 : x
  2. Step 2: Convert to fraction form
    85,799.84/118,403.70 = 48,074.36/x
  3. Step 3: Cross multiply
    85,799.84x = 118,403.70 × 48,074.36
  4. Step 4: Simplify right side
    85,799.84x = 5,692,182,099.13
  5. Step 5: Solve for x
    x = 5,692,182,099.13/85,799.84
  6. Step 6: Final answer
    x = 66,342.57

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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.