Home / 82,908.90-114,323.94-56,004.71

Finding the Fourth Proportional to 82,908.90, 114,323.94 and 56,004.71

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Solution

The fourth proportional to 82,908.90, 114,323.94 and 56,004.71 is: 77,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,908.90 : 114,323.94 = 56,004.71 : x
  2. Step 2: Convert to fraction form
    82,908.90/114,323.94 = 56,004.71/x
  3. Step 3: Cross multiply
    82,908.90x = 114,323.94 × 56,004.71
  4. Step 4: Simplify right side
    82,908.90x = 6,402,678,534.14
  5. Step 5: Solve for x
    x = 6,402,678,534.14/82,908.90
  6. Step 6: Final answer
    x = 77,225.47

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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.