Home / 93,013.60-128,357.87-50,572.13

Finding the Fourth Proportional to 93,013.60, 128,357.87 and 50,572.13

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Solution

The fourth proportional to 93,013.60, 128,357.87 and 50,572.13 is: 69,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,013.60 : 128,357.87 = 50,572.13 : x
  2. Step 2: Convert to fraction form
    93,013.60/128,357.87 = 50,572.13/x
  3. Step 3: Cross multiply
    93,013.60x = 128,357.87 × 50,572.13
  4. Step 4: Simplify right side
    93,013.60x = 6,491,330,715.53
  5. Step 5: Solve for x
    x = 6,491,330,715.53/93,013.60
  6. Step 6: Final answer
    x = 69,789.05

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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.