Home / 61,977.86-85,526.16-35,120.70

Finding the Fourth Proportional to 61,977.86, 85,526.16 and 35,120.70

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Solution

The fourth proportional to 61,977.86, 85,526.16 and 35,120.70 is: 48,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.86 : 85,526.16 = 35,120.70 : x
  2. Step 2: Convert to fraction form
    61,977.86/85,526.16 = 35,120.70/x
  3. Step 3: Cross multiply
    61,977.86x = 85,526.16 × 35,120.70
  4. Step 4: Simplify right side
    61,977.86x = 3,003,738,607.51
  5. Step 5: Solve for x
    x = 3,003,738,607.51/61,977.86
  6. Step 6: Final answer
    x = 48,464.70

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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.