Home / 85,011.26-117,313.95-58,152.86

Finding the Fourth Proportional to 85,011.26, 117,313.95 and 58,152.86

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Solution

The fourth proportional to 85,011.26, 117,313.95 and 58,152.86 is: 80,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,011.26 : 117,313.95 = 58,152.86 : x
  2. Step 2: Convert to fraction form
    85,011.26/117,313.95 = 58,152.86/x
  3. Step 3: Cross multiply
    85,011.26x = 117,313.95 × 58,152.86
  4. Step 4: Simplify right side
    85,011.26x = 6,822,141,710.40
  5. Step 5: Solve for x
    x = 6,822,141,710.40/85,011.26
  6. Step 6: Final answer
    x = 80,249.86

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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.