Home / 93,738.79-129,339.52-55,510.35

Finding the Fourth Proportional to 93,738.79, 129,339.52 and 55,510.35

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Solution

The fourth proportional to 93,738.79, 129,339.52 and 55,510.35 is: 76,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,738.79 : 129,339.52 = 55,510.35 : x
  2. Step 2: Convert to fraction form
    93,738.79/129,339.52 = 55,510.35/x
  3. Step 3: Cross multiply
    93,738.79x = 129,339.52 × 55,510.35
  4. Step 4: Simplify right side
    93,738.79x = 7,179,682,024.03
  5. Step 5: Solve for x
    x = 7,179,682,024.03/93,738.79
  6. Step 6: Final answer
    x = 76,592.43

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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.