Home / 43,149.04-64,640.63-26,460.41

Finding the Fourth Proportional to 43,149.04, 64,640.63 and 26,460.41

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Solution

The fourth proportional to 43,149.04, 64,640.63 and 26,460.41 is: 39,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.04 : 64,640.63 = 26,460.41 : x
  2. Step 2: Convert to fraction form
    43,149.04/64,640.63 = 26,460.41/x
  3. Step 3: Cross multiply
    43,149.04x = 64,640.63 × 26,460.41
  4. Step 4: Simplify right side
    43,149.04x = 1,710,417,315.41
  5. Step 5: Solve for x
    x = 1,710,417,315.41/43,149.04
  6. Step 6: Final answer
    x = 39,639.76

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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.