Home / 61,376.16-84,705.60-37,516.80

Finding the Fourth Proportional to 61,376.16, 84,705.60 and 37,516.80

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Solution

The fourth proportional to 61,376.16, 84,705.60 and 37,516.80 is: 51,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,376.16 : 84,705.60 = 37,516.80 : x
  2. Step 2: Convert to fraction form
    61,376.16/84,705.60 = 37,516.80/x
  3. Step 3: Cross multiply
    61,376.16x = 84,705.60 × 37,516.80
  4. Step 4: Simplify right side
    61,376.16x = 3,177,883,054.08
  5. Step 5: Solve for x
    x = 3,177,883,054.08/61,376.16
  6. Step 6: Final answer
    x = 51,777.16

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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.