Home / 70,704.48-97,571.88-38,875.08

Finding the Fourth Proportional to 70,704.48, 97,571.88 and 38,875.08

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Solution

The fourth proportional to 70,704.48, 97,571.88 and 38,875.08 is: 53,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,704.48 : 97,571.88 = 38,875.08 : x
  2. Step 2: Convert to fraction form
    70,704.48/97,571.88 = 38,875.08/x
  3. Step 3: Cross multiply
    70,704.48x = 97,571.88 × 38,875.08
  4. Step 4: Simplify right side
    70,704.48x = 3,793,114,640.75
  5. Step 5: Solve for x
    x = 3,793,114,640.75/70,704.48
  6. Step 6: Final answer
    x = 53,647.44

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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.