Home / 65,723.83-98,670.48-56,423.61

Finding the Fourth Proportional to 65,723.83, 98,670.48 and 56,423.61

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Solution

The fourth proportional to 65,723.83, 98,670.48 and 56,423.61 is: 84,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.83 : 98,670.48 = 56,423.61 : x
  2. Step 2: Convert to fraction form
    65,723.83/98,670.48 = 56,423.61/x
  3. Step 3: Cross multiply
    65,723.83x = 98,670.48 × 56,423.61
  4. Step 4: Simplify right side
    65,723.83x = 5,567,344,188.68
  5. Step 5: Solve for x
    x = 5,567,344,188.68/65,723.83
  6. Step 6: Final answer
    x = 84,708.16

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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.