Home / 86,006.28-118,688.58-48,280.60

Finding the Fourth Proportional to 86,006.28, 118,688.58 and 48,280.60

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Solution

The fourth proportional to 86,006.28, 118,688.58 and 48,280.60 is: 66,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,006.28 : 118,688.58 = 48,280.60 : x
  2. Step 2: Convert to fraction form
    86,006.28/118,688.58 = 48,280.60/x
  3. Step 3: Cross multiply
    86,006.28x = 118,688.58 × 48,280.60
  4. Step 4: Simplify right side
    86,006.28x = 5,730,355,855.55
  5. Step 5: Solve for x
    x = 5,730,355,855.55/86,006.28
  6. Step 6: Final answer
    x = 66,627.18

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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.