Home / 104,400.16-144,141.60-61,972.32

Finding the Fourth Proportional to 104,400.16, 144,141.60 and 61,972.32

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Solution

The fourth proportional to 104,400.16, 144,141.60 and 61,972.32 is: 85,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,400.16 : 144,141.60 = 61,972.32 : x
  2. Step 2: Convert to fraction form
    104,400.16/144,141.60 = 61,972.32/x
  3. Step 3: Cross multiply
    104,400.16x = 144,141.60 × 61,972.32
  4. Step 4: Simplify right side
    104,400.16x = 8,932,789,360.51
  5. Step 5: Solve for x
    x = 8,932,789,360.51/104,400.16
  6. Step 6: Final answer
    x = 85,562.99

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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.