Home / 94,761.19-130,767.06-57,028.15

Finding the Fourth Proportional to 94,761.19, 130,767.06 and 57,028.15

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Solution

The fourth proportional to 94,761.19, 130,767.06 and 57,028.15 is: 78,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,761.19 : 130,767.06 = 57,028.15 : x
  2. Step 2: Convert to fraction form
    94,761.19/130,767.06 = 57,028.15/x
  3. Step 3: Cross multiply
    94,761.19x = 130,767.06 × 57,028.15
  4. Step 4: Simplify right side
    94,761.19x = 7,457,403,512.74
  5. Step 5: Solve for x
    x = 7,457,403,512.74/94,761.19
  6. Step 6: Final answer
    x = 78,696.81

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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.