Home / 104,559.16-144,289.56-56,812.85

Finding the Fourth Proportional to 104,559.16, 144,289.56 and 56,812.85

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Solution

The fourth proportional to 104,559.16, 144,289.56 and 56,812.85 is: 78,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,559.16 : 144,289.56 = 56,812.85 : x
  2. Step 2: Convert to fraction form
    104,559.16/144,289.56 = 56,812.85/x
  3. Step 3: Cross multiply
    104,559.16x = 144,289.56 × 56,812.85
  4. Step 4: Simplify right side
    104,559.16x = 8,197,501,128.85
  5. Step 5: Solve for x
    x = 8,197,501,128.85/104,559.16
  6. Step 6: Final answer
    x = 78,400.60

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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.