Home / 101,928.23-140,657.10-56,609.13

Finding the Fourth Proportional to 101,928.23, 140,657.10 and 56,609.13

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Solution

The fourth proportional to 101,928.23, 140,657.10 and 56,609.13 is: 78,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,928.23 : 140,657.10 = 56,609.13 : x
  2. Step 2: Convert to fraction form
    101,928.23/140,657.10 = 56,609.13/x
  3. Step 3: Cross multiply
    101,928.23x = 140,657.10 × 56,609.13
  4. Step 4: Simplify right side
    101,928.23x = 7,962,476,059.32
  5. Step 5: Solve for x
    x = 7,962,476,059.32/101,928.23
  6. Step 6: Final answer
    x = 78,118.46

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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.