Home / 104,417.16-144,165.06-61,989.32

Finding the Fourth Proportional to 104,417.16, 144,165.06 and 61,989.32

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Solution

The fourth proportional to 104,417.16, 144,165.06 and 61,989.32 is: 85,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,417.16 : 144,165.06 = 61,989.32 : x
  2. Step 2: Convert to fraction form
    104,417.16/144,165.06 = 61,989.32/x
  3. Step 3: Cross multiply
    104,417.16x = 144,165.06 × 61,989.32
  4. Step 4: Simplify right side
    104,417.16x = 8,936,694,037.16
  5. Step 5: Solve for x
    x = 8,936,694,037.16/104,417.16
  6. Step 6: Final answer
    x = 85,586.45

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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.