Home / 64,133.60-88,529.11-57,407.36

Finding the Fourth Proportional to 64,133.60, 88,529.11 and 57,407.36

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Solution

The fourth proportional to 64,133.60, 88,529.11 and 57,407.36 is: 79,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.60 : 88,529.11 = 57,407.36 : x
  2. Step 2: Convert to fraction form
    64,133.60/88,529.11 = 57,407.36/x
  3. Step 3: Cross multiply
    64,133.60x = 88,529.11 × 57,407.36
  4. Step 4: Simplify right side
    64,133.60x = 5,082,222,488.25
  5. Step 5: Solve for x
    x = 5,082,222,488.25/64,133.60
  6. Step 6: Final answer
    x = 79,244.30

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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.