Home / 60,123.45-90,205.85-26,866.47

Finding the Fourth Proportional to 60,123.45, 90,205.85 and 26,866.47

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Solution

The fourth proportional to 60,123.45, 90,205.85 and 26,866.47 is: 40,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,123.45 : 90,205.85 = 26,866.47 : x
  2. Step 2: Convert to fraction form
    60,123.45/90,205.85 = 26,866.47/x
  3. Step 3: Cross multiply
    60,123.45x = 90,205.85 × 26,866.47
  4. Step 4: Simplify right side
    60,123.45x = 2,423,512,762.85
  5. Step 5: Solve for x
    x = 2,423,512,762.85/60,123.45
  6. Step 6: Final answer
    x = 40,308.94

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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.