Home / 104,693.10-144,474.93-56,945.40

Finding the Fourth Proportional to 104,693.10, 144,474.93 and 56,945.40

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Solution

The fourth proportional to 104,693.10, 144,474.93 and 56,945.40 is: 78,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,693.10 : 144,474.93 = 56,945.40 : x
  2. Step 2: Convert to fraction form
    104,693.10/144,474.93 = 56,945.40/x
  3. Step 3: Cross multiply
    104,693.10x = 144,474.93 × 56,945.40
  4. Step 4: Simplify right side
    104,693.10x = 8,227,182,678.82
  5. Step 5: Solve for x
    x = 8,227,182,678.82/104,693.10
  6. Step 6: Final answer
    x = 78,583.81

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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.