Home / 80,775.51-111,318.65-58,075.16

Finding the Fourth Proportional to 80,775.51, 111,318.65 and 58,075.16

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Solution

The fourth proportional to 80,775.51, 111,318.65 and 58,075.16 is: 80,034.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,775.51 : 111,318.65 = 58,075.16 : x
  2. Step 2: Convert to fraction form
    80,775.51/111,318.65 = 58,075.16/x
  3. Step 3: Cross multiply
    80,775.51x = 111,318.65 × 58,075.16
  4. Step 4: Simplify right side
    80,775.51x = 6,464,847,562.76
  5. Step 5: Solve for x
    x = 6,464,847,562.76/80,775.51
  6. Step 6: Final answer
    x = 80,034.75

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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.