Home / 55,280.96-76,332.72-45,073.68

Finding the Fourth Proportional to 55,280.96, 76,332.72 and 45,073.68

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Solution

The fourth proportional to 55,280.96, 76,332.72 and 45,073.68 is: 62,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280.96 : 76,332.72 = 45,073.68 : x
  2. Step 2: Convert to fraction form
    55,280.96/76,332.72 = 45,073.68/x
  3. Step 3: Cross multiply
    55,280.96x = 76,332.72 × 45,073.68
  4. Step 4: Simplify right side
    55,280.96x = 3,440,596,594.81
  5. Step 5: Solve for x
    x = 3,440,596,594.81/55,280.96
  6. Step 6: Final answer
    x = 62,238.37

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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.