Home / 70,707.06-97,573.69-40,082.99

Finding the Fourth Proportional to 70,707.06, 97,573.69 and 40,082.99

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Solution

The fourth proportional to 70,707.06, 97,573.69 and 40,082.99 is: 55,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,707.06 : 97,573.69 = 40,082.99 : x
  2. Step 2: Convert to fraction form
    70,707.06/97,573.69 = 40,082.99/x
  3. Step 3: Cross multiply
    70,707.06x = 97,573.69 × 40,082.99
  4. Step 4: Simplify right side
    70,707.06x = 3,911,045,309.10
  5. Step 5: Solve for x
    x = 3,911,045,309.10/70,707.06
  6. Step 6: Final answer
    x = 55,313.36

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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.