Home / 76,795.98-105,984.75-43,265.10

Finding the Fourth Proportional to 76,795.98, 105,984.75 and 43,265.10

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Solution

The fourth proportional to 76,795.98, 105,984.75 and 43,265.10 is: 59,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,795.98 : 105,984.75 = 43,265.10 : x
  2. Step 2: Convert to fraction form
    76,795.98/105,984.75 = 43,265.10/x
  3. Step 3: Cross multiply
    76,795.98x = 105,984.75 × 43,265.10
  4. Step 4: Simplify right side
    76,795.98x = 4,585,440,807.23
  5. Step 5: Solve for x
    x = 4,585,440,807.23/76,795.98
  6. Step 6: Final answer
    x = 59,709.39

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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.