Home / 61,356.18-84,678.50-34,134.96

Finding the Fourth Proportional to 61,356.18, 84,678.50 and 34,134.96

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Solution

The fourth proportional to 61,356.18, 84,678.50 and 34,134.96 is: 47,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356.18 : 84,678.50 = 34,134.96 : x
  2. Step 2: Convert to fraction form
    61,356.18/84,678.50 = 34,134.96/x
  3. Step 3: Cross multiply
    61,356.18x = 84,678.50 × 34,134.96
  4. Step 4: Simplify right side
    61,356.18x = 2,890,497,210.36
  5. Step 5: Solve for x
    x = 2,890,497,210.36/61,356.18
  6. Step 6: Final answer
    x = 47,110.12

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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.