Home / 82,830.15-124,245.23-56,586.15

Finding the Fourth Proportional to 82,830.15, 124,245.23 and 56,586.15

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Solution

The fourth proportional to 82,830.15, 124,245.23 and 56,586.15 is: 84,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,830.15 : 124,245.23 = 56,586.15 : x
  2. Step 2: Convert to fraction form
    82,830.15/124,245.23 = 56,586.15/x
  3. Step 3: Cross multiply
    82,830.15x = 124,245.23 × 56,586.15
  4. Step 4: Simplify right side
    82,830.15x = 7,030,558,938.63
  5. Step 5: Solve for x
    x = 7,030,558,938.63/82,830.15
  6. Step 6: Final answer
    x = 84,879.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.