Home / 76,465.58-105,519.07-42,476.41

Finding the Fourth Proportional to 76,465.58, 105,519.07 and 42,476.41

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Solution

The fourth proportional to 76,465.58, 105,519.07 and 42,476.41 is: 58,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,465.58 : 105,519.07 = 42,476.41 : x
  2. Step 2: Convert to fraction form
    76,465.58/105,519.07 = 42,476.41/x
  3. Step 3: Cross multiply
    76,465.58x = 105,519.07 × 42,476.41
  4. Step 4: Simplify right side
    76,465.58x = 4,482,071,280.14
  5. Step 5: Solve for x
    x = 4,482,071,280.14/76,465.58
  6. Step 6: Final answer
    x = 58,615.54

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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.