Home / 82,037.18-113,210.64-45,738.19

Finding the Fourth Proportional to 82,037.18, 113,210.64 and 45,738.19

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Solution

The fourth proportional to 82,037.18, 113,210.64 and 45,738.19 is: 63,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,037.18 : 113,210.64 = 45,738.19 : x
  2. Step 2: Convert to fraction form
    82,037.18/113,210.64 = 45,738.19/x
  3. Step 3: Cross multiply
    82,037.18x = 113,210.64 × 45,738.19
  4. Step 4: Simplify right side
    82,037.18x = 5,178,049,762.34
  5. Step 5: Solve for x
    x = 5,178,049,762.34/82,037.18
  6. Step 6: Final answer
    x = 63,118.33

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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.