Home / 61,755.08-85,225.32-34,898.72

Finding the Fourth Proportional to 61,755.08, 85,225.32 and 34,898.72

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Solution

The fourth proportional to 61,755.08, 85,225.32 and 34,898.72 is: 48,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,755.08 : 85,225.32 = 34,898.72 : x
  2. Step 2: Convert to fraction form
    61,755.08/85,225.32 = 34,898.72/x
  3. Step 3: Cross multiply
    61,755.08x = 85,225.32 × 34,898.72
  4. Step 4: Simplify right side
    61,755.08x = 2,974,254,579.59
  5. Step 5: Solve for x
    x = 2,974,254,579.59/61,755.08
  6. Step 6: Final answer
    x = 48,162.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.