Home / 45,135.99-67,703.70-35,283.57

Finding the Fourth Proportional to 45,135.99, 67,703.70 and 35,283.57

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Solution

The fourth proportional to 45,135.99, 67,703.70 and 35,283.57 is: 52,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,135.99 : 67,703.70 = 35,283.57 : x
  2. Step 2: Convert to fraction form
    45,135.99/67,703.70 = 35,283.57/x
  3. Step 3: Cross multiply
    45,135.99x = 67,703.70 × 35,283.57
  4. Step 4: Simplify right side
    45,135.99x = 2,388,828,238.21
  5. Step 5: Solve for x
    x = 2,388,828,238.21/45,135.99
  6. Step 6: Final answer
    x = 52,925.13

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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.