Home / 85,826.06-128,774.63-46,336.74

Finding the Fourth Proportional to 85,826.06, 128,774.63 and 46,336.74

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Solution

The fourth proportional to 85,826.06, 128,774.63 and 46,336.74 is: 69,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,826.06 : 128,774.63 = 46,336.74 : x
  2. Step 2: Convert to fraction form
    85,826.06/128,774.63 = 46,336.74/x
  3. Step 3: Cross multiply
    85,826.06x = 128,774.63 × 46,336.74
  4. Step 4: Simplify right side
    85,826.06x = 5,966,995,673.35
  5. Step 5: Solve for x
    x = 5,966,995,673.35/85,826.06
  6. Step 6: Final answer
    x = 69,524.29

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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.