Home / 93,193.45-128,610.31-54,935.53

Finding the Fourth Proportional to 93,193.45, 128,610.31 and 54,935.53

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Solution

The fourth proportional to 93,193.45, 128,610.31 and 54,935.53 is: 75,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,193.45 : 128,610.31 = 54,935.53 : x
  2. Step 2: Convert to fraction form
    93,193.45/128,610.31 = 54,935.53/x
  3. Step 3: Cross multiply
    93,193.45x = 128,610.31 × 54,935.53
  4. Step 4: Simplify right side
    93,193.45x = 7,065,275,543.31
  5. Step 5: Solve for x
    x = 7,065,275,543.31/93,193.45
  6. Step 6: Final answer
    x = 75,813.01

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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.