Home / 58,050.05-87,113.90-21,114.05

Finding the Fourth Proportional to 58,050.05, 87,113.90 and 21,114.05

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Solution

The fourth proportional to 58,050.05, 87,113.90 and 21,114.05 is: 31,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,050.05 : 87,113.90 = 21,114.05 : x
  2. Step 2: Convert to fraction form
    58,050.05/87,113.90 = 21,114.05/x
  3. Step 3: Cross multiply
    58,050.05x = 87,113.90 × 21,114.05
  4. Step 4: Simplify right side
    58,050.05x = 1,839,326,857.51
  5. Step 5: Solve for x
    x = 1,839,326,857.51/58,050.05
  6. Step 6: Final answer
    x = 31,685.19

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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.