Home / 43,901.48-65,859.12-14,312.45

Finding the Fourth Proportional to 43,901.48, 65,859.12 and 14,312.45

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Solution

The fourth proportional to 43,901.48, 65,859.12 and 14,312.45 is: 21,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,901.48 : 65,859.12 = 14,312.45 : x
  2. Step 2: Convert to fraction form
    43,901.48/65,859.12 = 14,312.45/x
  3. Step 3: Cross multiply
    43,901.48x = 65,859.12 × 14,312.45
  4. Step 4: Simplify right side
    43,901.48x = 942,605,032.75
  5. Step 5: Solve for x
    x = 942,605,032.75/43,901.48
  6. Step 6: Final answer
    x = 21,470.92

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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.