Home / 94,705.78-130,689.86-51,684.18

Finding the Fourth Proportional to 94,705.78, 130,689.86 and 51,684.18

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Solution

The fourth proportional to 94,705.78, 130,689.86 and 51,684.18 is: 71,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,705.78 : 130,689.86 = 51,684.18 : x
  2. Step 2: Convert to fraction form
    94,705.78/130,689.86 = 51,684.18/x
  3. Step 3: Cross multiply
    94,705.78x = 130,689.86 × 51,684.18
  4. Step 4: Simplify right side
    94,705.78x = 6,754,598,525.76
  5. Step 5: Solve for x
    x = 6,754,598,525.76/94,705.78
  6. Step 6: Final answer
    x = 71,321.93

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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.