Home / 101,861.06-140,561.73-56,539.08

Finding the Fourth Proportional to 101,861.06, 140,561.73 and 56,539.08

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Solution

The fourth proportional to 101,861.06, 140,561.73 and 56,539.08 is: 78,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,861.06 : 140,561.73 = 56,539.08 : x
  2. Step 2: Convert to fraction form
    101,861.06/140,561.73 = 56,539.08/x
  3. Step 3: Cross multiply
    101,861.06x = 140,561.73 × 56,539.08
  4. Step 4: Simplify right side
    101,861.06x = 7,947,230,897.41
  5. Step 5: Solve for x
    x = 7,947,230,897.41/101,861.06
  6. Step 6: Final answer
    x = 78,020.31

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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.