Home / 77,403.60-106,826.85-45,575.46

Finding the Fourth Proportional to 77,403.60, 106,826.85 and 45,575.46

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Solution

The fourth proportional to 77,403.60, 106,826.85 and 45,575.46 is: 62,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403.60 : 106,826.85 = 45,575.46 : x
  2. Step 2: Convert to fraction form
    77,403.60/106,826.85 = 45,575.46/x
  3. Step 3: Cross multiply
    77,403.60x = 106,826.85 × 45,575.46
  4. Step 4: Simplify right side
    77,403.60x = 4,868,682,829.10
  5. Step 5: Solve for x
    x = 4,868,682,829.10/77,403.60
  6. Step 6: Final answer
    x = 62,899.95

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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.