Home / 55,425.18-76,488.65-32,783.57

Finding the Fourth Proportional to 55,425.18, 76,488.65 and 32,783.57

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Solution

The fourth proportional to 55,425.18, 76,488.65 and 32,783.57 is: 45,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.18 : 76,488.65 = 32,783.57 : x
  2. Step 2: Convert to fraction form
    55,425.18/76,488.65 = 32,783.57/x
  3. Step 3: Cross multiply
    55,425.18x = 76,488.65 × 32,783.57
  4. Step 4: Simplify right side
    55,425.18x = 2,507,570,465.12
  5. Step 5: Solve for x
    x = 2,507,570,465.12/55,425.18
  6. Step 6: Final answer
    x = 45,242.44

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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.