Home / 74,967.09-103,444.59-48,145.93

Finding the Fourth Proportional to 74,967.09, 103,444.59 and 48,145.93

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Solution

The fourth proportional to 74,967.09, 103,444.59 and 48,145.93 is: 66,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,967.09 : 103,444.59 = 48,145.93 : x
  2. Step 2: Convert to fraction form
    74,967.09/103,444.59 = 48,145.93/x
  3. Step 3: Cross multiply
    74,967.09x = 103,444.59 × 48,145.93
  4. Step 4: Simplify right side
    74,967.09x = 4,980,435,910.95
  5. Step 5: Solve for x
    x = 4,980,435,910.95/74,967.09
  6. Step 6: Final answer
    x = 66,434.97

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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.