Home / 104,681.70-144,457.83-56,937.06

Finding the Fourth Proportional to 104,681.70, 144,457.83 and 56,937.06

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Solution

The fourth proportional to 104,681.70, 144,457.83 and 56,937.06 is: 78,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,681.70 : 144,457.83 = 56,937.06 : x
  2. Step 2: Convert to fraction form
    104,681.70/144,457.83 = 56,937.06/x
  3. Step 3: Cross multiply
    104,681.70x = 144,457.83 × 56,937.06
  4. Step 4: Simplify right side
    104,681.70x = 8,225,004,134.18
  5. Step 5: Solve for x
    x = 8,225,004,134.18/104,681.70
  6. Step 6: Final answer
    x = 78,571.56

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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.