Home / 76,456.98-105,647.53-59,816.34

Finding the Fourth Proportional to 76,456.98, 105,647.53 and 59,816.34

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Solution

The fourth proportional to 76,456.98, 105,647.53 and 59,816.34 is: 82,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,456.98 : 105,647.53 = 59,816.34 : x
  2. Step 2: Convert to fraction form
    76,456.98/105,647.53 = 59,816.34/x
  3. Step 3: Cross multiply
    76,456.98x = 105,647.53 × 59,816.34
  4. Step 4: Simplify right side
    76,456.98x = 6,319,448,574.64
  5. Step 5: Solve for x
    x = 6,319,448,574.64/76,456.98
  6. Step 6: Final answer
    x = 82,653.65

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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.