Home / 82,129.82-113,332.35-46,328.63

Finding the Fourth Proportional to 82,129.82, 113,332.35 and 46,328.63

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Solution

The fourth proportional to 82,129.82, 113,332.35 and 46,328.63 is: 63,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,129.82 : 113,332.35 = 46,328.63 : x
  2. Step 2: Convert to fraction form
    82,129.82/113,332.35 = 46,328.63/x
  3. Step 3: Cross multiply
    82,129.82x = 113,332.35 × 46,328.63
  4. Step 4: Simplify right side
    82,129.82x = 5,250,532,117.25
  5. Step 5: Solve for x
    x = 5,250,532,117.25/82,129.82
  6. Step 6: Final answer
    x = 63,929.67

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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.