Home / 96,428.46-133,065.30-53,407.28

Finding the Fourth Proportional to 96,428.46, 133,065.30 and 53,407.28

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Solution

The fourth proportional to 96,428.46, 133,065.30 and 53,407.28 is: 73,698.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.46 : 133,065.30 = 53,407.28 : x
  2. Step 2: Convert to fraction form
    96,428.46/133,065.30 = 53,407.28/x
  3. Step 3: Cross multiply
    96,428.46x = 133,065.30 × 53,407.28
  4. Step 4: Simplify right side
    96,428.46x = 7,106,655,070.06
  5. Step 5: Solve for x
    x = 7,106,655,070.06/96,428.46
  6. Step 6: Final answer
    x = 73,698.73

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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.