Home / 70,421.40-97,183.74-38,592.24

Finding the Fourth Proportional to 70,421.40, 97,183.74 and 38,592.24

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Solution

The fourth proportional to 70,421.40, 97,183.74 and 38,592.24 is: 53,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.40 : 97,183.74 = 38,592.24 : x
  2. Step 2: Convert to fraction form
    70,421.40/97,183.74 = 38,592.24/x
  3. Step 3: Cross multiply
    70,421.40x = 97,183.74 × 38,592.24
  4. Step 4: Simplify right side
    70,421.40x = 3,750,538,218.18
  5. Step 5: Solve for x
    x = 3,750,538,218.18/70,421.40
  6. Step 6: Final answer
    x = 53,258.50

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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.