Home / 51,988.10-77,606.08-45,682.45

Finding the Fourth Proportional to 51,988.10, 77,606.08 and 45,682.45

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Solution

The fourth proportional to 51,988.10, 77,606.08 and 45,682.45 is: 68,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.10 : 77,606.08 = 45,682.45 : x
  2. Step 2: Convert to fraction form
    51,988.10/77,606.08 = 45,682.45/x
  3. Step 3: Cross multiply
    51,988.10x = 77,606.08 × 45,682.45
  4. Step 4: Simplify right side
    51,988.10x = 3,545,235,869.30
  5. Step 5: Solve for x
    x = 3,545,235,869.30/51,988.10
  6. Step 6: Final answer
    x = 68,193.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.