Home / 82,934.10-124,433.55-30,347.70

Finding the Fourth Proportional to 82,934.10, 124,433.55 and 30,347.70

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Solution

The fourth proportional to 82,934.10, 124,433.55 and 30,347.70 is: 45,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934.10 : 124,433.55 = 30,347.70 : x
  2. Step 2: Convert to fraction form
    82,934.10/124,433.55 = 30,347.70/x
  3. Step 3: Cross multiply
    82,934.10x = 124,433.55 × 30,347.70
  4. Step 4: Simplify right side
    82,934.10x = 3,776,272,045.34
  5. Step 5: Solve for x
    x = 3,776,272,045.34/82,934.10
  6. Step 6: Final answer
    x = 45,533.41

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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.