Home / 81,820.56-112,911.67-46,009.81

Finding the Fourth Proportional to 81,820.56, 112,911.67 and 46,009.81

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Solution

The fourth proportional to 81,820.56, 112,911.67 and 46,009.81 is: 63,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,820.56 : 112,911.67 = 46,009.81 : x
  2. Step 2: Convert to fraction form
    81,820.56/112,911.67 = 46,009.81/x
  3. Step 3: Cross multiply
    81,820.56x = 112,911.67 × 46,009.81
  4. Step 4: Simplify right side
    81,820.56x = 5,195,044,682.13
  5. Step 5: Solve for x
    x = 5,195,044,682.13/81,820.56
  6. Step 6: Final answer
    x = 63,493.14

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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.