Home / 104,814.32-144,739.86-66,586.16

Finding the Fourth Proportional to 104,814.32, 144,739.86 and 66,586.16

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Solution

The fourth proportional to 104,814.32, 144,739.86 and 66,586.16 is: 91,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,814.32 : 144,739.86 = 66,586.16 : x
  2. Step 2: Convert to fraction form
    104,814.32/144,739.86 = 66,586.16/x
  3. Step 3: Cross multiply
    104,814.32x = 144,739.86 × 66,586.16
  4. Step 4: Simplify right side
    104,814.32x = 9,637,671,476.34
  5. Step 5: Solve for x
    x = 9,637,671,476.34/104,814.32
  6. Step 6: Final answer
    x = 91,949.95

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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.