Home / 70,535.10-97,338.56-38,704.25

Finding the Fourth Proportional to 70,535.10, 97,338.56 and 38,704.25

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Solution

The fourth proportional to 70,535.10, 97,338.56 and 38,704.25 is: 53,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,535.10 : 97,338.56 = 38,704.25 : x
  2. Step 2: Convert to fraction form
    70,535.10/97,338.56 = 38,704.25/x
  3. Step 3: Cross multiply
    70,535.10x = 97,338.56 × 38,704.25
  4. Step 4: Simplify right side
    70,535.10x = 3,767,415,280.67
  5. Step 5: Solve for x
    x = 3,767,415,280.67/70,535.10
  6. Step 6: Final answer
    x = 53,411.92

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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.