Home / 93,021.12-128,368.80-50,581.44

Finding the Fourth Proportional to 93,021.12, 128,368.80 and 50,581.44

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Solution

The fourth proportional to 93,021.12, 128,368.80 and 50,581.44 is: 69,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.12 : 128,368.80 = 50,581.44 : x
  2. Step 2: Convert to fraction form
    93,021.12/128,368.80 = 50,581.44/x
  3. Step 3: Cross multiply
    93,021.12x = 128,368.80 × 50,581.44
  4. Step 4: Simplify right side
    93,021.12x = 6,493,078,755.07
  5. Step 5: Solve for x
    x = 6,493,078,755.07/93,021.12
  6. Step 6: Final answer
    x = 69,802.20

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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.