Home / 73,243.48-101,075.58-39,708.76

Finding the Fourth Proportional to 73,243.48, 101,075.58 and 39,708.76

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Solution

The fourth proportional to 73,243.48, 101,075.58 and 39,708.76 is: 54,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,243.48 : 101,075.58 = 39,708.76 : x
  2. Step 2: Convert to fraction form
    73,243.48/101,075.58 = 39,708.76/x
  3. Step 3: Cross multiply
    73,243.48x = 101,075.58 × 39,708.76
  4. Step 4: Simplify right side
    73,243.48x = 4,013,585,948.08
  5. Step 5: Solve for x
    x = 4,013,585,948.08/73,243.48
  6. Step 6: Final answer
    x = 54,797.86

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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.