Home / 93,349.40-128,817.05-53,057.57

Finding the Fourth Proportional to 93,349.40, 128,817.05 and 53,057.57

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Solution

The fourth proportional to 93,349.40, 128,817.05 and 53,057.57 is: 73,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,349.40 : 128,817.05 = 53,057.57 : x
  2. Step 2: Convert to fraction form
    93,349.40/128,817.05 = 53,057.57/x
  3. Step 3: Cross multiply
    93,349.40x = 128,817.05 × 53,057.57
  4. Step 4: Simplify right side
    93,349.40x = 6,834,718,738.20
  5. Step 5: Solve for x
    x = 6,834,718,738.20/93,349.40
  6. Step 6: Final answer
    x = 73,216.53

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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.