Home / 64,905.80-96,889.19-57,032.60

Finding the Fourth Proportional to 64,905.80, 96,889.19 and 57,032.60

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Solution

The fourth proportional to 64,905.80, 96,889.19 and 57,032.60 is: 85,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,905.80 : 96,889.19 = 57,032.60 : x
  2. Step 2: Convert to fraction form
    64,905.80/96,889.19 = 57,032.60/x
  3. Step 3: Cross multiply
    64,905.80x = 96,889.19 × 57,032.60
  4. Step 4: Simplify right side
    64,905.80x = 5,525,842,417.59
  5. Step 5: Solve for x
    x = 5,525,842,417.59/64,905.80
  6. Step 6: Final answer
    x = 85,136.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.