Home / 42,243.50-63,312.58-36,965.98

Finding the Fourth Proportional to 42,243.50, 63,312.58 and 36,965.98

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Solution

The fourth proportional to 42,243.50, 63,312.58 and 36,965.98 is: 55,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,243.50 : 63,312.58 = 36,965.98 : x
  2. Step 2: Convert to fraction form
    42,243.50/63,312.58 = 36,965.98/x
  3. Step 3: Cross multiply
    42,243.50x = 63,312.58 × 36,965.98
  4. Step 4: Simplify right side
    42,243.50x = 2,340,411,566.03
  5. Step 5: Solve for x
    x = 2,340,411,566.03/42,243.50
  6. Step 6: Final answer
    x = 55,402.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.