Home / 97,119.09-134,004-56,825.10

Finding the Fourth Proportional to 97,119.09, 134,004 and 56,825.10

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Solution

The fourth proportional to 97,119.09, 134,004 and 56,825.10 is: 78,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,119.09 : 134,004 = 56,825.10 : x
  2. Step 2: Convert to fraction form
    97,119.09/134,004 = 56,825.10/x
  3. Step 3: Cross multiply
    97,119.09x = 134,004 × 56,825.10
  4. Step 4: Simplify right side
    97,119.09x = 7,614,790,700.40
  5. Step 5: Solve for x
    x = 7,614,790,700.40/97,119.09
  6. Step 6: Final answer
    x = 78,406.73

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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.