Home / 93,071.88-128,441.70-50,633.28

Finding the Fourth Proportional to 93,071.88, 128,441.70 and 50,633.28

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Solution

The fourth proportional to 93,071.88, 128,441.70 and 50,633.28 is: 69,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,071.88 : 128,441.70 = 50,633.28 : x
  2. Step 2: Convert to fraction form
    93,071.88/128,441.70 = 50,633.28/x
  3. Step 3: Cross multiply
    93,071.88x = 128,441.70 × 50,633.28
  4. Step 4: Simplify right side
    93,071.88x = 6,503,424,559.78
  5. Step 5: Solve for x
    x = 6,503,424,559.78/93,071.88
  6. Step 6: Final answer
    x = 69,875.29

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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.