Home / 93,011.45-128,356.70-50,570.88

Finding the Fourth Proportional to 93,011.45, 128,356.70 and 50,570.88

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Solution

The fourth proportional to 93,011.45, 128,356.70 and 50,570.88 is: 69,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.45 : 128,356.70 = 50,570.88 : x
  2. Step 2: Convert to fraction form
    93,011.45/128,356.70 = 50,570.88/x
  3. Step 3: Cross multiply
    93,011.45x = 128,356.70 × 50,570.88
  4. Step 4: Simplify right side
    93,011.45x = 6,491,111,020.04
  5. Step 5: Solve for x
    x = 6,491,111,020.04/93,011.45
  6. Step 6: Final answer
    x = 69,788.30

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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.