Home / 93,046.11-128,404.47-55,313.07

Finding the Fourth Proportional to 93,046.11, 128,404.47 and 55,313.07

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Solution

The fourth proportional to 93,046.11, 128,404.47 and 55,313.07 is: 76,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,046.11 : 128,404.47 = 55,313.07 : x
  2. Step 2: Convert to fraction form
    93,046.11/128,404.47 = 55,313.07/x
  3. Step 3: Cross multiply
    93,046.11x = 128,404.47 × 55,313.07
  4. Step 4: Simplify right side
    93,046.11x = 7,102,445,437.42
  5. Step 5: Solve for x
    x = 7,102,445,437.42/93,046.11
  6. Step 6: Final answer
    x = 76,332.53

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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.