Home / 74,423.89-102,713.93-42,592.11

Finding the Fourth Proportional to 74,423.89, 102,713.93 and 42,592.11

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Solution

The fourth proportional to 74,423.89, 102,713.93 and 42,592.11 is: 58,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,423.89 : 102,713.93 = 42,592.11 : x
  2. Step 2: Convert to fraction form
    74,423.89/102,713.93 = 42,592.11/x
  3. Step 3: Cross multiply
    74,423.89x = 102,713.93 × 42,592.11
  4. Step 4: Simplify right side
    74,423.89x = 4,374,803,005.09
  5. Step 5: Solve for x
    x = 4,374,803,005.09/74,423.89
  6. Step 6: Final answer
    x = 58,782.24

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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.