Home / 76,430.48-105,525.46-58,493.44

Finding the Fourth Proportional to 76,430.48, 105,525.46 and 58,493.44

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Solution

The fourth proportional to 76,430.48, 105,525.46 and 58,493.44 is: 80,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,430.48 : 105,525.46 = 58,493.44 : x
  2. Step 2: Convert to fraction form
    76,430.48/105,525.46 = 58,493.44/x
  3. Step 3: Cross multiply
    76,430.48x = 105,525.46 × 58,493.44
  4. Step 4: Simplify right side
    76,430.48x = 6,172,547,162.98
  5. Step 5: Solve for x
    x = 6,172,547,162.98/76,430.48
  6. Step 6: Final answer
    x = 80,760.28

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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.