Home / 70,979.95-97,952.15-40,767.23

Finding the Fourth Proportional to 70,979.95, 97,952.15 and 40,767.23

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Solution

The fourth proportional to 70,979.95, 97,952.15 and 40,767.23 is: 56,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,979.95 : 97,952.15 = 40,767.23 : x
  2. Step 2: Convert to fraction form
    70,979.95/97,952.15 = 40,767.23/x
  3. Step 3: Cross multiply
    70,979.95x = 97,952.15 × 40,767.23
  4. Step 4: Simplify right side
    70,979.95x = 3,993,238,002.86
  5. Step 5: Solve for x
    x = 3,993,238,002.86/70,979.95
  6. Step 6: Final answer
    x = 56,258.67

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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.