Home / 56,762.57-78,332.37-32,903.09

Finding the Fourth Proportional to 56,762.57, 78,332.37 and 32,903.09

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Solution

The fourth proportional to 56,762.57, 78,332.37 and 32,903.09 is: 45,406.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,762.57 : 78,332.37 = 32,903.09 : x
  2. Step 2: Convert to fraction form
    56,762.57/78,332.37 = 32,903.09/x
  3. Step 3: Cross multiply
    56,762.57x = 78,332.37 × 32,903.09
  4. Step 4: Simplify right side
    56,762.57x = 2,577,377,020.02
  5. Step 5: Solve for x
    x = 2,577,377,020.02/56,762.57
  6. Step 6: Final answer
    x = 45,406.28

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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.