Home / 97,746.99-134,905.35-61,940.35

Finding the Fourth Proportional to 97,746.99, 134,905.35 and 61,940.35

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Solution

The fourth proportional to 97,746.99, 134,905.35 and 61,940.35 is: 85,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,746.99 : 134,905.35 = 61,940.35 : x
  2. Step 2: Convert to fraction form
    97,746.99/134,905.35 = 61,940.35/x
  3. Step 3: Cross multiply
    97,746.99x = 134,905.35 × 61,940.35
  4. Step 4: Simplify right side
    97,746.99x = 8,356,084,595.87
  5. Step 5: Solve for x
    x = 8,356,084,595.87/97,746.99
  6. Step 6: Final answer
    x = 85,486.87

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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.