Home / 86,006.25-118,689.03-48,280.50

Finding the Fourth Proportional to 86,006.25, 118,689.03 and 48,280.50

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Solution

The fourth proportional to 86,006.25, 118,689.03 and 48,280.50 is: 66,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,006.25 : 118,689.03 = 48,280.50 : x
  2. Step 2: Convert to fraction form
    86,006.25/118,689.03 = 48,280.50/x
  3. Step 3: Cross multiply
    86,006.25x = 118,689.03 × 48,280.50
  4. Step 4: Simplify right side
    86,006.25x = 5,730,365,712.92
  5. Step 5: Solve for x
    x = 5,730,365,712.92/86,006.25
  6. Step 6: Final answer
    x = 66,627.32

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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.