Home / 55,421.10-76,477.86-32,762.16

Finding the Fourth Proportional to 55,421.10, 76,477.86 and 32,762.16

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Solution

The fourth proportional to 55,421.10, 76,477.86 and 32,762.16 is: 45,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.10 : 76,477.86 = 32,762.16 : x
  2. Step 2: Convert to fraction form
    55,421.10/76,477.86 = 32,762.16/x
  3. Step 3: Cross multiply
    55,421.10x = 76,477.86 × 32,762.16
  4. Step 4: Simplify right side
    55,421.10x = 2,505,579,885.78
  5. Step 5: Solve for x
    x = 2,505,579,885.78/55,421.10
  6. Step 6: Final answer
    x = 45,209.85

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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.