Home / 43,129.95-64,656.45-16,828.58

Finding the Fourth Proportional to 43,129.95, 64,656.45 and 16,828.58

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Solution

The fourth proportional to 43,129.95, 64,656.45 and 16,828.58 is: 25,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,129.95 : 64,656.45 = 16,828.58 : x
  2. Step 2: Convert to fraction form
    43,129.95/64,656.45 = 16,828.58/x
  3. Step 3: Cross multiply
    43,129.95x = 64,656.45 × 16,828.58
  4. Step 4: Simplify right side
    43,129.95x = 1,088,075,918.06
  5. Step 5: Solve for x
    x = 1,088,075,918.06/43,129.95
  6. Step 6: Final answer
    x = 25,227.85

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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.