Home / 54,349.46-74,970.48-34,174.40

Finding the Fourth Proportional to 54,349.46, 74,970.48 and 34,174.40

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Solution

The fourth proportional to 54,349.46, 74,970.48 and 34,174.40 is: 47,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.46 : 74,970.48 = 34,174.40 : x
  2. Step 2: Convert to fraction form
    54,349.46/74,970.48 = 34,174.40/x
  3. Step 3: Cross multiply
    54,349.46x = 74,970.48 × 34,174.40
  4. Step 4: Simplify right side
    54,349.46x = 2,562,071,171.71
  5. Step 5: Solve for x
    x = 2,562,071,171.71/54,349.46
  6. Step 6: Final answer
    x = 47,140.69

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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.