Home / 70,905.03-97,849.60-39,075.07

Finding the Fourth Proportional to 70,905.03, 97,849.60 and 39,075.07

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Solution

The fourth proportional to 70,905.03, 97,849.60 and 39,075.07 is: 53,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.03 : 97,849.60 = 39,075.07 : x
  2. Step 2: Convert to fraction form
    70,905.03/97,849.60 = 39,075.07/x
  3. Step 3: Cross multiply
    70,905.03x = 97,849.60 × 39,075.07
  4. Step 4: Simplify right side
    70,905.03x = 3,823,479,969.47
  5. Step 5: Solve for x
    x = 3,823,479,969.47/70,905.03
  6. Step 6: Final answer
    x = 53,923.96

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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.