Home / 81,973.45-113,125.47-46,164.70

Finding the Fourth Proportional to 81,973.45, 113,125.47 and 46,164.70

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Solution

The fourth proportional to 81,973.45, 113,125.47 and 46,164.70 is: 63,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973.45 : 113,125.47 = 46,164.70 : x
  2. Step 2: Convert to fraction form
    81,973.45/113,125.47 = 46,164.70/x
  3. Step 3: Cross multiply
    81,973.45x = 113,125.47 × 46,164.70
  4. Step 4: Simplify right side
    81,973.45x = 5,222,403,384.91
  5. Step 5: Solve for x
    x = 5,222,403,384.91/81,973.45
  6. Step 6: Final answer
    x = 63,708.47

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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.