Home / 56,541.70-85,218.98-48,738.40

Finding the Fourth Proportional to 56,541.70, 85,218.98 and 48,738.40

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Solution

The fourth proportional to 56,541.70, 85,218.98 and 48,738.40 is: 73,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,541.70 : 85,218.98 = 48,738.40 : x
  2. Step 2: Convert to fraction form
    56,541.70/85,218.98 = 48,738.40/x
  3. Step 3: Cross multiply
    56,541.70x = 85,218.98 × 48,738.40
  4. Step 4: Simplify right side
    56,541.70x = 4,153,436,654.85
  5. Step 5: Solve for x
    x = 4,153,436,654.85/56,541.70
  6. Step 6: Final answer
    x = 73,457.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.