Home / 105,075.02-145,002.85-59,753.03

Finding the Fourth Proportional to 105,075.02, 145,002.85 and 59,753.03

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Solution

The fourth proportional to 105,075.02, 145,002.85 and 59,753.03 is: 82,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,075.02 : 145,002.85 = 59,753.03 : x
  2. Step 2: Convert to fraction form
    105,075.02/145,002.85 = 59,753.03/x
  3. Step 3: Cross multiply
    105,075.02x = 145,002.85 × 59,753.03
  4. Step 4: Simplify right side
    105,075.02x = 8,664,358,771.74
  5. Step 5: Solve for x
    x = 8,664,358,771.74/105,075.02
  6. Step 6: Final answer
    x = 82,458.79

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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.