Home / 40,705.05-61,064.51-14,043.81

Finding the Fourth Proportional to 40,705.05, 61,064.51 and 14,043.81

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Solution

The fourth proportional to 40,705.05, 61,064.51 and 14,043.81 is: 21,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,705.05 : 61,064.51 = 14,043.81 : x
  2. Step 2: Convert to fraction form
    40,705.05/61,064.51 = 14,043.81/x
  3. Step 3: Cross multiply
    40,705.05x = 61,064.51 × 14,043.81
  4. Step 4: Simplify right side
    40,705.05x = 857,578,534.96
  5. Step 5: Solve for x
    x = 857,578,534.96/40,705.05
  6. Step 6: Final answer
    x = 21,068.11

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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.