Home / 61,235.18-84,509.43-34,379.45

Finding the Fourth Proportional to 61,235.18, 84,509.43 and 34,379.45

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Solution

The fourth proportional to 61,235.18, 84,509.43 and 34,379.45 is: 47,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,235.18 : 84,509.43 = 34,379.45 : x
  2. Step 2: Convert to fraction form
    61,235.18/84,509.43 = 34,379.45/x
  3. Step 3: Cross multiply
    61,235.18x = 84,509.43 × 34,379.45
  4. Step 4: Simplify right side
    61,235.18x = 2,905,387,723.21
  5. Step 5: Solve for x
    x = 2,905,387,723.21/61,235.18
  6. Step 6: Final answer
    x = 47,446.38

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1.5x scale

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.