Home / 93,389.24-128,900.40-57,608.60

Finding the Fourth Proportional to 93,389.24, 128,900.40 and 57,608.60

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Solution

The fourth proportional to 93,389.24, 128,900.40 and 57,608.60 is: 79,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,389.24 : 128,900.40 = 57,608.60 : x
  2. Step 2: Convert to fraction form
    93,389.24/128,900.40 = 57,608.60/x
  3. Step 3: Cross multiply
    93,389.24x = 128,900.40 × 57,608.60
  4. Step 4: Simplify right side
    93,389.24x = 7,425,771,583.44
  5. Step 5: Solve for x
    x = 7,425,771,583.44/93,389.24
  6. Step 6: Final answer
    x = 79,514.21

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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.