Home / 162,075.07-243,148.69-49,765.06

Finding the Fourth Proportional to 162,075.07, 243,148.69 and 49,765.06

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Solution

The fourth proportional to 162,075.07, 243,148.69 and 49,765.06 is: 74,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,075.07 : 243,148.69 = 49,765.06 : x
  2. Step 2: Convert to fraction form
    162,075.07/243,148.69 = 49,765.06/x
  3. Step 3: Cross multiply
    162,075.07x = 243,148.69 × 49,765.06
  4. Step 4: Simplify right side
    162,075.07x = 12,100,307,931.03
  5. Step 5: Solve for x
    x = 12,100,307,931.03/162,075.07
  6. Step 6: Final answer
    x = 74,658.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.