Home / 82,130.07-113,343.33-46,319.31

Finding the Fourth Proportional to 82,130.07, 113,343.33 and 46,319.31

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Solution

The fourth proportional to 82,130.07, 113,343.33 and 46,319.31 is: 63,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.07 : 113,343.33 = 46,319.31 : x
  2. Step 2: Convert to fraction form
    82,130.07/113,343.33 = 46,319.31/x
  3. Step 3: Cross multiply
    82,130.07x = 113,343.33 × 46,319.31
  4. Step 4: Simplify right side
    82,130.07x = 5,249,984,838.70
  5. Step 5: Solve for x
    x = 5,249,984,838.70/82,130.07
  6. Step 6: Final answer
    x = 63,922.81

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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.