Home / 58,075.25-80,168.40-39,237.89

Finding the Fourth Proportional to 58,075.25, 80,168.40 and 39,237.89

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Solution

The fourth proportional to 58,075.25, 80,168.40 and 39,237.89 is: 54,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,075.25 : 80,168.40 = 39,237.89 : x
  2. Step 2: Convert to fraction form
    58,075.25/80,168.40 = 39,237.89/x
  3. Step 3: Cross multiply
    58,075.25x = 80,168.40 × 39,237.89
  4. Step 4: Simplify right side
    58,075.25x = 3,145,638,459.83
  5. Step 5: Solve for x
    x = 3,145,638,459.83/58,075.25
  6. Step 6: Final answer
    x = 54,164.88

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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.