Home / 58,430.46-87,727.29-29,987.31

Finding the Fourth Proportional to 58,430.46, 87,727.29 and 29,987.31

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Solution

The fourth proportional to 58,430.46, 87,727.29 and 29,987.31 is: 45,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,430.46 : 87,727.29 = 29,987.31 : x
  2. Step 2: Convert to fraction form
    58,430.46/87,727.29 = 29,987.31/x
  3. Step 3: Cross multiply
    58,430.46x = 87,727.29 × 29,987.31
  4. Step 4: Simplify right side
    58,430.46x = 2,630,705,002.05
  5. Step 5: Solve for x
    x = 2,630,705,002.05/58,430.46
  6. Step 6: Final answer
    x = 45,022.84

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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.