Home / 70,960.12-97,921.36-40,332.41

Finding the Fourth Proportional to 70,960.12, 97,921.36 and 40,332.41

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Solution

The fourth proportional to 70,960.12, 97,921.36 and 40,332.41 is: 55,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,960.12 : 97,921.36 = 40,332.41 : x
  2. Step 2: Convert to fraction form
    70,960.12/97,921.36 = 40,332.41/x
  3. Step 3: Cross multiply
    70,960.12x = 97,921.36 × 40,332.41
  4. Step 4: Simplify right side
    70,960.12x = 3,949,403,748.01
  5. Step 5: Solve for x
    x = 3,949,403,748.01/70,960.12
  6. Step 6: Final answer
    x = 55,656.67

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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.