Home / 97,310.77-134,285.80-57,051.34

Finding the Fourth Proportional to 97,310.77, 134,285.80 and 57,051.34

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Solution

The fourth proportional to 97,310.77, 134,285.80 and 57,051.34 is: 78,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,310.77 : 134,285.80 = 57,051.34 : x
  2. Step 2: Convert to fraction form
    97,310.77/134,285.80 = 57,051.34/x
  3. Step 3: Cross multiply
    97,310.77x = 134,285.80 × 57,051.34
  4. Step 4: Simplify right side
    97,310.77x = 7,661,184,461.60
  5. Step 5: Solve for x
    x = 7,661,184,461.60/97,310.77
  6. Step 6: Final answer
    x = 78,729.05

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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.