Home / 118,075.86-162,961.67-70,330.01

Finding the Fourth Proportional to 118,075.86, 162,961.67 and 70,330.01

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Solution

The fourth proportional to 118,075.86, 162,961.67 and 70,330.01 is: 97,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,075.86 : 162,961.67 = 70,330.01 : x
  2. Step 2: Convert to fraction form
    118,075.86/162,961.67 = 70,330.01/x
  3. Step 3: Cross multiply
    118,075.86x = 162,961.67 × 70,330.01
  4. Step 4: Simplify right side
    118,075.86x = 11,461,095,241.73
  5. Step 5: Solve for x
    x = 11,461,095,241.73/118,075.86
  6. Step 6: Final answer
    x = 97,065.52

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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.