Home / 104,457.18-144,151.15-56,709.50

Finding the Fourth Proportional to 104,457.18, 144,151.15 and 56,709.50

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Solution

The fourth proportional to 104,457.18, 144,151.15 and 56,709.50 is: 78,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457.18 : 144,151.15 = 56,709.50 : x
  2. Step 2: Convert to fraction form
    104,457.18/144,151.15 = 56,709.50/x
  3. Step 3: Cross multiply
    104,457.18x = 144,151.15 × 56,709.50
  4. Step 4: Simplify right side
    104,457.18x = 8,174,740,143.08
  5. Step 5: Solve for x
    x = 8,174,740,143.08/104,457.18
  6. Step 6: Final answer
    x = 78,259.25

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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.