Home / 49,430.45-74,533.47-45,297.02

Finding the Fourth Proportional to 49,430.45, 74,533.47 and 45,297.02

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Solution

The fourth proportional to 49,430.45, 74,533.47 and 45,297.02 is: 68,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.45 : 74,533.47 = 45,297.02 : x
  2. Step 2: Convert to fraction form
    49,430.45/74,533.47 = 45,297.02/x
  3. Step 3: Cross multiply
    49,430.45x = 74,533.47 × 45,297.02
  4. Step 4: Simplify right side
    49,430.45x = 3,376,144,097.73
  5. Step 5: Solve for x
    x = 3,376,144,097.73/49,430.45
  6. Step 6: Final answer
    x = 68,300.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.