Home / 74,745.95-103,123.51-47,903.24

Finding the Fourth Proportional to 74,745.95, 103,123.51 and 47,903.24

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Solution

The fourth proportional to 74,745.95, 103,123.51 and 47,903.24 is: 66,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745.95 : 103,123.51 = 47,903.24 : x
  2. Step 2: Convert to fraction form
    74,745.95/103,123.51 = 47,903.24/x
  3. Step 3: Cross multiply
    74,745.95x = 103,123.51 × 47,903.24
  4. Step 4: Simplify right side
    74,745.95x = 4,939,950,249.17
  5. Step 5: Solve for x
    x = 4,939,950,249.17/74,745.95
  6. Step 6: Final answer
    x = 66,089.87

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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.