Home / 56,917.64-85,389.15-17,478.74

Finding the Fourth Proportional to 56,917.64, 85,389.15 and 17,478.74

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Solution

The fourth proportional to 56,917.64, 85,389.15 and 17,478.74 is: 26,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.64 : 85,389.15 = 17,478.74 : x
  2. Step 2: Convert to fraction form
    56,917.64/85,389.15 = 17,478.74/x
  3. Step 3: Cross multiply
    56,917.64x = 85,389.15 × 17,478.74
  4. Step 4: Simplify right side
    56,917.64x = 1,492,494,751.67
  5. Step 5: Solve for x
    x = 1,492,494,751.67/56,917.64
  6. Step 6: Final answer
    x = 26,222.01

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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.