Home / 104,079.09-143,628.89-56,332.47

Finding the Fourth Proportional to 104,079.09, 143,628.89 and 56,332.47

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Solution

The fourth proportional to 104,079.09, 143,628.89 and 56,332.47 is: 77,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079.09 : 143,628.89 = 56,332.47 : x
  2. Step 2: Convert to fraction form
    104,079.09/143,628.89 = 56,332.47/x
  3. Step 3: Cross multiply
    104,079.09x = 143,628.89 × 56,332.47
  4. Step 4: Simplify right side
    104,079.09x = 8,090,969,855.40
  5. Step 5: Solve for x
    x = 8,090,969,855.40/104,079.09
  6. Step 6: Final answer
    x = 77,738.67

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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.