Home / 86,298.75-119,030.92-57,603.94

Finding the Fourth Proportional to 86,298.75, 119,030.92 and 57,603.94

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Solution

The fourth proportional to 86,298.75, 119,030.92 and 57,603.94 is: 79,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,298.75 : 119,030.92 = 57,603.94 : x
  2. Step 2: Convert to fraction form
    86,298.75/119,030.92 = 57,603.94/x
  3. Step 3: Cross multiply
    86,298.75x = 119,030.92 × 57,603.94
  4. Step 4: Simplify right side
    86,298.75x = 6,856,649,532.24
  5. Step 5: Solve for x
    x = 6,856,649,532.24/86,298.75
  6. Step 6: Final answer
    x = 79,452.48

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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.