Home / 76,454.33-105,503.39-42,465.02

Finding the Fourth Proportional to 76,454.33, 105,503.39 and 42,465.02

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Solution

The fourth proportional to 76,454.33, 105,503.39 and 42,465.02 is: 58,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,454.33 : 105,503.39 = 42,465.02 : x
  2. Step 2: Convert to fraction form
    76,454.33/105,503.39 = 42,465.02/x
  3. Step 3: Cross multiply
    76,454.33x = 105,503.39 × 42,465.02
  4. Step 4: Simplify right side
    76,454.33x = 4,480,202,826.58
  5. Step 5: Solve for x
    x = 4,480,202,826.58/76,454.33
  6. Step 6: Final answer
    x = 58,599.73

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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.