Home / 99,102.02-136,727.67-56,075.52

Finding the Fourth Proportional to 99,102.02, 136,727.67 and 56,075.52

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Solution

The fourth proportional to 99,102.02, 136,727.67 and 56,075.52 is: 77,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,102.02 : 136,727.67 = 56,075.52 : x
  2. Step 2: Convert to fraction form
    99,102.02/136,727.67 = 56,075.52/x
  3. Step 3: Cross multiply
    99,102.02x = 136,727.67 × 56,075.52
  4. Step 4: Simplify right side
    99,102.02x = 7,667,075,193.64
  5. Step 5: Solve for x
    x = 7,667,075,193.64/99,102.02
  6. Step 6: Final answer
    x = 77,365.48

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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.