Home / 74,541.17-111,788.99-21,237.50

Finding the Fourth Proportional to 74,541.17, 111,788.99 and 21,237.50

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Solution

The fourth proportional to 74,541.17, 111,788.99 and 21,237.50 is: 31,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,541.17 : 111,788.99 = 21,237.50 : x
  2. Step 2: Convert to fraction form
    74,541.17/111,788.99 = 21,237.50/x
  3. Step 3: Cross multiply
    74,541.17x = 111,788.99 × 21,237.50
  4. Step 4: Simplify right side
    74,541.17x = 2,374,118,675.13
  5. Step 5: Solve for x
    x = 2,374,118,675.13/74,541.17
  6. Step 6: Final answer
    x = 31,849.76

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1.5x scale

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.