Home / 74,664.77-103,038.17-40,673.52

Finding the Fourth Proportional to 74,664.77, 103,038.17 and 40,673.52

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Solution

The fourth proportional to 74,664.77, 103,038.17 and 40,673.52 is: 56,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,664.77 : 103,038.17 = 40,673.52 : x
  2. Step 2: Convert to fraction form
    74,664.77/103,038.17 = 40,673.52/x
  3. Step 3: Cross multiply
    74,664.77x = 103,038.17 × 40,673.52
  4. Step 4: Simplify right side
    74,664.77x = 4,190,924,864.89
  5. Step 5: Solve for x
    x = 4,190,924,864.89/74,664.77
  6. Step 6: Final answer
    x = 56,129.89

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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.