Home / 74,528.61-102,849.40-42,697.64

Finding the Fourth Proportional to 74,528.61, 102,849.40 and 42,697.64

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Solution

The fourth proportional to 74,528.61, 102,849.40 and 42,697.64 is: 58,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.61 : 102,849.40 = 42,697.64 : x
  2. Step 2: Convert to fraction form
    74,528.61/102,849.40 = 42,697.64/x
  3. Step 3: Cross multiply
    74,528.61x = 102,849.40 × 42,697.64
  4. Step 4: Simplify right side
    74,528.61x = 4,391,425,927.68
  5. Step 5: Solve for x
    x = 4,391,425,927.68/74,528.61
  6. Step 6: Final answer
    x = 58,922.69

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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.