Home / 81,814.49-112,901.75-46,003.58

Finding the Fourth Proportional to 81,814.49, 112,901.75 and 46,003.58

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Solution

The fourth proportional to 81,814.49, 112,901.75 and 46,003.58 is: 63,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,814.49 : 112,901.75 = 46,003.58 : x
  2. Step 2: Convert to fraction form
    81,814.49/112,901.75 = 46,003.58/x
  3. Step 3: Cross multiply
    81,814.49x = 112,901.75 × 46,003.58
  4. Step 4: Simplify right side
    81,814.49x = 5,193,884,688.27
  5. Step 5: Solve for x
    x = 5,193,884,688.27/81,814.49
  6. Step 6: Final answer
    x = 63,483.68

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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.