Home / 58,516.16-87,752.48-21,066.08

Finding the Fourth Proportional to 58,516.16, 87,752.48 and 21,066.08

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Solution

The fourth proportional to 58,516.16, 87,752.48 and 21,066.08 is: 31,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,516.16 : 87,752.48 = 21,066.08 : x
  2. Step 2: Convert to fraction form
    58,516.16/87,752.48 = 21,066.08/x
  3. Step 3: Cross multiply
    58,516.16x = 87,752.48 × 21,066.08
  4. Step 4: Simplify right side
    58,516.16x = 1,848,600,763.88
  5. Step 5: Solve for x
    x = 1,848,600,763.88/58,516.16
  6. Step 6: Final answer
    x = 31,591.29

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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.