Home / 76,454.73-105,503.88-42,465.39

Finding the Fourth Proportional to 76,454.73, 105,503.88 and 42,465.39

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Solution

The fourth proportional to 76,454.73, 105,503.88 and 42,465.39 is: 58,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,454.73 : 105,503.88 = 42,465.39 : x
  2. Step 2: Convert to fraction form
    76,454.73/105,503.88 = 42,465.39/x
  3. Step 3: Cross multiply
    76,454.73x = 105,503.88 × 42,465.39
  4. Step 4: Simplify right side
    76,454.73x = 4,480,263,410.71
  5. Step 5: Solve for x
    x = 4,480,263,410.71/76,454.73
  6. Step 6: Final answer
    x = 58,600.21

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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.