Home / 57,116.16-78,838.08-35,913.60

Finding the Fourth Proportional to 57,116.16, 78,838.08 and 35,913.60

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Solution

The fourth proportional to 57,116.16, 78,838.08 and 35,913.60 is: 49,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,116.16 : 78,838.08 = 35,913.60 : x
  2. Step 2: Convert to fraction form
    57,116.16/78,838.08 = 35,913.60/x
  3. Step 3: Cross multiply
    57,116.16x = 78,838.08 × 35,913.60
  4. Step 4: Simplify right side
    57,116.16x = 2,831,359,269.89
  5. Step 5: Solve for x
    x = 2,831,359,269.89/57,116.16
  6. Step 6: Final answer
    x = 49,571.95

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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.