Home / 76,454.96-105,504.19-42,465.60

Finding the Fourth Proportional to 76,454.96, 105,504.19 and 42,465.60

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Solution

The fourth proportional to 76,454.96, 105,504.19 and 42,465.60 is: 58,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,454.96 : 105,504.19 = 42,465.60 : x
  2. Step 2: Convert to fraction form
    76,454.96/105,504.19 = 42,465.60/x
  3. Step 3: Cross multiply
    76,454.96x = 105,504.19 × 42,465.60
  4. Step 4: Simplify right side
    76,454.96x = 4,480,298,624.70
  5. Step 5: Solve for x
    x = 4,480,298,624.70/76,454.96
  6. Step 6: Final answer
    x = 58,600.50

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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.