Home / 78,333.21-108,088.43-44,792.73

Finding the Fourth Proportional to 78,333.21, 108,088.43 and 44,792.73

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Solution

The fourth proportional to 78,333.21, 108,088.43 and 44,792.73 is: 61,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,333.21 : 108,088.43 = 44,792.73 : x
  2. Step 2: Convert to fraction form
    78,333.21/108,088.43 = 44,792.73/x
  3. Step 3: Cross multiply
    78,333.21x = 108,088.43 × 44,792.73
  4. Step 4: Simplify right side
    78,333.21x = 4,841,575,637.15
  5. Step 5: Solve for x
    x = 4,841,575,637.15/78,333.21
  6. Step 6: Final answer
    x = 61,807.45

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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.