Home / 93,382.40-128,868.64-50,941.80

Finding the Fourth Proportional to 93,382.40, 128,868.64 and 50,941.80

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Solution

The fourth proportional to 93,382.40, 128,868.64 and 50,941.80 is: 70,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,382.40 : 128,868.64 = 50,941.80 : x
  2. Step 2: Convert to fraction form
    93,382.40/128,868.64 = 50,941.80/x
  3. Step 3: Cross multiply
    93,382.40x = 128,868.64 × 50,941.80
  4. Step 4: Simplify right side
    93,382.40x = 6,564,800,485.15
  5. Step 5: Solve for x
    x = 6,564,800,485.15/93,382.40
  6. Step 6: Final answer
    x = 70,300.19

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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.