Home / 74,364.37-102,623.21-42,534.61

Finding the Fourth Proportional to 74,364.37, 102,623.21 and 42,534.61

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Solution

The fourth proportional to 74,364.37, 102,623.21 and 42,534.61 is: 58,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.37 : 102,623.21 = 42,534.61 : x
  2. Step 2: Convert to fraction form
    74,364.37/102,623.21 = 42,534.61/x
  3. Step 3: Cross multiply
    74,364.37x = 102,623.21 × 42,534.61
  4. Step 4: Simplify right side
    74,364.37x = 4,365,038,214.30
  5. Step 5: Solve for x
    x = 4,365,038,214.30/74,364.37
  6. Step 6: Final answer
    x = 58,697.98

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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.