Home / 58,430.96-87,728.04-29,987.81

Finding the Fourth Proportional to 58,430.96, 87,728.04 and 29,987.81

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Solution

The fourth proportional to 58,430.96, 87,728.04 and 29,987.81 is: 45,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,430.96 : 87,728.04 = 29,987.81 : x
  2. Step 2: Convert to fraction form
    58,430.96/87,728.04 = 29,987.81/x
  3. Step 3: Cross multiply
    58,430.96x = 87,728.04 × 29,987.81
  4. Step 4: Simplify right side
    58,430.96x = 2,630,771,356.55
  5. Step 5: Solve for x
    x = 2,630,771,356.55/58,430.96
  6. Step 6: Final answer
    x = 45,023.59

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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.