Home / 85,891.08-118,532.70-50,075.04

Finding the Fourth Proportional to 85,891.08, 118,532.70 and 50,075.04

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Solution

The fourth proportional to 85,891.08, 118,532.70 and 50,075.04 is: 69,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,891.08 : 118,532.70 = 50,075.04 : x
  2. Step 2: Convert to fraction form
    85,891.08/118,532.70 = 50,075.04/x
  3. Step 3: Cross multiply
    85,891.08x = 118,532.70 × 50,075.04
  4. Step 4: Simplify right side
    85,891.08x = 5,935,529,693.81
  5. Step 5: Solve for x
    x = 5,935,529,693.81/85,891.08
  6. Step 6: Final answer
    x = 69,105.31

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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.