Home / 76,514.40-105,563.52-47,814.48

Finding the Fourth Proportional to 76,514.40, 105,563.52 and 47,814.48

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Solution

The fourth proportional to 76,514.40, 105,563.52 and 47,814.48 is: 65,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,514.40 : 105,563.52 = 47,814.48 : x
  2. Step 2: Convert to fraction form
    76,514.40/105,563.52 = 47,814.48/x
  3. Step 3: Cross multiply
    76,514.40x = 105,563.52 × 47,814.48
  4. Step 4: Simplify right side
    76,514.40x = 5,047,464,815.77
  5. Step 5: Solve for x
    x = 5,047,464,815.77/76,514.40
  6. Step 6: Final answer
    x = 65,967.51

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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.