Home / 123,792.10-170,834.47-70,075.94

Finding the Fourth Proportional to 123,792.10, 170,834.47 and 70,075.94

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Solution

The fourth proportional to 123,792.10, 170,834.47 and 70,075.94 is: 96,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,792.10 : 170,834.47 = 70,075.94 : x
  2. Step 2: Convert to fraction form
    123,792.10/170,834.47 = 70,075.94/x
  3. Step 3: Cross multiply
    123,792.10x = 170,834.47 × 70,075.94
  4. Step 4: Simplify right side
    123,792.10x = 11,971,385,040.29
  5. Step 5: Solve for x
    x = 11,971,385,040.29/123,792.10
  6. Step 6: Final answer
    x = 96,705.57

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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.