Home / 74,264.08-102,457.55-48,784.15

Finding the Fourth Proportional to 74,264.08, 102,457.55 and 48,784.15

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Solution

The fourth proportional to 74,264.08, 102,457.55 and 48,784.15 is: 67,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264.08 : 102,457.55 = 48,784.15 : x
  2. Step 2: Convert to fraction form
    74,264.08/102,457.55 = 48,784.15/x
  3. Step 3: Cross multiply
    74,264.08x = 102,457.55 × 48,784.15
  4. Step 4: Simplify right side
    74,264.08x = 4,998,304,487.83
  5. Step 5: Solve for x
    x = 4,998,304,487.83/74,264.08
  6. Step 6: Final answer
    x = 67,304.47

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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.