Home / 93,015.15-128,362.56-50,573.98

Finding the Fourth Proportional to 93,015.15, 128,362.56 and 50,573.98

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Solution

The fourth proportional to 93,015.15, 128,362.56 and 50,573.98 is: 69,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015.15 : 128,362.56 = 50,573.98 : x
  2. Step 2: Convert to fraction form
    93,015.15/128,362.56 = 50,573.98/x
  3. Step 3: Cross multiply
    93,015.15x = 128,362.56 × 50,573.98
  4. Step 4: Simplify right side
    93,015.15x = 6,491,805,542.19
  5. Step 5: Solve for x
    x = 6,491,805,542.19/93,015.15
  6. Step 6: Final answer
    x = 69,792.99

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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.