Home / 70,586.12-97,409.01-38,757.07

Finding the Fourth Proportional to 70,586.12, 97,409.01 and 38,757.07

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Solution

The fourth proportional to 70,586.12, 97,409.01 and 38,757.07 is: 53,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,586.12 : 97,409.01 = 38,757.07 : x
  2. Step 2: Convert to fraction form
    70,586.12/97,409.01 = 38,757.07/x
  3. Step 3: Cross multiply
    70,586.12x = 97,409.01 × 38,757.07
  4. Step 4: Simplify right side
    70,586.12x = 3,775,287,320.37
  5. Step 5: Solve for x
    x = 3,775,287,320.37/70,586.12
  6. Step 6: Final answer
    x = 53,484.84

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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.