Home / 93,382.75-128,868.20-50,941.45

Finding the Fourth Proportional to 93,382.75, 128,868.20 and 50,941.45

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Solution

The fourth proportional to 93,382.75, 128,868.20 and 50,941.45 is: 70,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,382.75 : 128,868.20 = 50,941.45 : x
  2. Step 2: Convert to fraction form
    93,382.75/128,868.20 = 50,941.45/x
  3. Step 3: Cross multiply
    93,382.75x = 128,868.20 × 50,941.45
  4. Step 4: Simplify right side
    93,382.75x = 6,564,732,966.89
  5. Step 5: Solve for x
    x = 6,564,732,966.89/93,382.75
  6. Step 6: Final answer
    x = 70,299.20

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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.