Home / 85,875.94-118,511.13-48,149.38

Finding the Fourth Proportional to 85,875.94, 118,511.13 and 48,149.38

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Solution

The fourth proportional to 85,875.94, 118,511.13 and 48,149.38 is: 66,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,875.94 : 118,511.13 = 48,149.38 : x
  2. Step 2: Convert to fraction form
    85,875.94/118,511.13 = 48,149.38/x
  3. Step 3: Cross multiply
    85,875.94x = 118,511.13 × 48,149.38
  4. Step 4: Simplify right side
    85,875.94x = 5,706,237,432.60
  5. Step 5: Solve for x
    x = 5,706,237,432.60/85,875.94
  6. Step 6: Final answer
    x = 66,447.45

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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.