Home / 70,568.69-97,384.38-38,303.92

Finding the Fourth Proportional to 70,568.69, 97,384.38 and 38,303.92

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Solution

The fourth proportional to 70,568.69, 97,384.38 and 38,303.92 is: 52,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,568.69 : 97,384.38 = 38,303.92 : x
  2. Step 2: Convert to fraction form
    70,568.69/97,384.38 = 38,303.92/x
  3. Step 3: Cross multiply
    70,568.69x = 97,384.38 × 38,303.92
  4. Step 4: Simplify right side
    70,568.69x = 3,730,203,478.86
  5. Step 5: Solve for x
    x = 3,730,203,478.86/70,568.69
  6. Step 6: Final answer
    x = 52,859.19

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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.