Home / 93,015.90-128,358.41-50,574.47

Finding the Fourth Proportional to 93,015.90, 128,358.41 and 50,574.47

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Solution

The fourth proportional to 93,015.90, 128,358.41 and 50,574.47 is: 69,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015.90 : 128,358.41 = 50,574.47 : x
  2. Step 2: Convert to fraction form
    93,015.90/128,358.41 = 50,574.47/x
  3. Step 3: Cross multiply
    93,015.90x = 128,358.41 × 50,574.47
  4. Step 4: Simplify right side
    93,015.90x = 6,491,657,661.13
  5. Step 5: Solve for x
    x = 6,491,657,661.13/93,015.90
  6. Step 6: Final answer
    x = 69,790.84

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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.