Home / 42,975.29-64,436.43-14,888.81

Finding the Fourth Proportional to 42,975.29, 64,436.43 and 14,888.81

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Solution

The fourth proportional to 42,975.29, 64,436.43 and 14,888.81 is: 22,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.29 : 64,436.43 = 14,888.81 : x
  2. Step 2: Convert to fraction form
    42,975.29/64,436.43 = 14,888.81/x
  3. Step 3: Cross multiply
    42,975.29x = 64,436.43 × 14,888.81
  4. Step 4: Simplify right side
    42,975.29x = 959,381,763.35
  5. Step 5: Solve for x
    x = 959,381,763.35/42,975.29
  6. Step 6: Final answer
    x = 22,324.03

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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.