Home / 93,144.42-128,539.89-50,702.94

Finding the Fourth Proportional to 93,144.42, 128,539.89 and 50,702.94

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Solution

The fourth proportional to 93,144.42, 128,539.89 and 50,702.94 is: 69,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.42 : 128,539.89 = 50,702.94 : x
  2. Step 2: Convert to fraction form
    93,144.42/128,539.89 = 50,702.94/x
  3. Step 3: Cross multiply
    93,144.42x = 128,539.89 × 50,702.94
  4. Step 4: Simplify right side
    93,144.42x = 6,517,350,330.28
  5. Step 5: Solve for x
    x = 6,517,350,330.28/93,144.42
  6. Step 6: Final answer
    x = 69,970.38

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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.