Home / 74,359.68-102,598.80-42,546.16

Finding the Fourth Proportional to 74,359.68, 102,598.80 and 42,546.16

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Solution

The fourth proportional to 74,359.68, 102,598.80 and 42,546.16 is: 58,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,359.68 : 102,598.80 = 42,546.16 : x
  2. Step 2: Convert to fraction form
    74,359.68/102,598.80 = 42,546.16/x
  3. Step 3: Cross multiply
    74,359.68x = 102,598.80 × 42,546.16
  4. Step 4: Simplify right side
    74,359.68x = 4,365,184,960.61
  5. Step 5: Solve for x
    x = 4,365,184,960.61/74,359.68
  6. Step 6: Final answer
    x = 58,703.65

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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.