Home / 73,242.48-101,074.20-39,707.76

Finding the Fourth Proportional to 73,242.48, 101,074.20 and 39,707.76

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Solution

The fourth proportional to 73,242.48, 101,074.20 and 39,707.76 is: 54,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,242.48 : 101,074.20 = 39,707.76 : x
  2. Step 2: Convert to fraction form
    73,242.48/101,074.20 = 39,707.76/x
  3. Step 3: Cross multiply
    73,242.48x = 101,074.20 × 39,707.76
  4. Step 4: Simplify right side
    73,242.48x = 4,013,430,075.79
  5. Step 5: Solve for x
    x = 4,013,430,075.79/73,242.48
  6. Step 6: Final answer
    x = 54,796.48

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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.