Home / 93,940.07-129,642.60-55,722.23

Finding the Fourth Proportional to 93,940.07, 129,642.60 and 55,722.23

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Solution

The fourth proportional to 93,940.07, 129,642.60 and 55,722.23 is: 76,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.07 : 129,642.60 = 55,722.23 : x
  2. Step 2: Convert to fraction form
    93,940.07/129,642.60 = 55,722.23/x
  3. Step 3: Cross multiply
    93,940.07x = 129,642.60 × 55,722.23
  4. Step 4: Simplify right side
    93,940.07x = 7,223,974,775.00
  5. Step 5: Solve for x
    x = 7,223,974,775.00/93,940.07
  6. Step 6: Final answer
    x = 76,899.82

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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.