Home / 45,614.80-68,421.48-37,807.12

Finding the Fourth Proportional to 45,614.80, 68,421.48 and 37,807.12

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Solution

The fourth proportional to 45,614.80, 68,421.48 and 37,807.12 is: 56,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,614.80 : 68,421.48 = 37,807.12 : x
  2. Step 2: Convert to fraction form
    45,614.80/68,421.48 = 37,807.12/x
  3. Step 3: Cross multiply
    45,614.80x = 68,421.48 × 37,807.12
  4. Step 4: Simplify right side
    45,614.80x = 2,586,819,104.94
  5. Step 5: Solve for x
    x = 2,586,819,104.94/45,614.80
  6. Step 6: Final answer
    x = 56,710.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.