Home / 101,659.03-140,290.27-56,337.75

Finding the Fourth Proportional to 101,659.03, 140,290.27 and 56,337.75

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Solution

The fourth proportional to 101,659.03, 140,290.27 and 56,337.75 is: 77,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,659.03 : 140,290.27 = 56,337.75 : x
  2. Step 2: Convert to fraction form
    101,659.03/140,290.27 = 56,337.75/x
  3. Step 3: Cross multiply
    101,659.03x = 140,290.27 × 56,337.75
  4. Step 4: Simplify right side
    101,659.03x = 7,903,638,017.85
  5. Step 5: Solve for x
    x = 7,903,638,017.85/101,659.03
  6. Step 6: Final answer
    x = 77,746.54

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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.