Home / 102,623.74-141,623.16-57,300.19

Finding the Fourth Proportional to 102,623.74, 141,623.16 and 57,300.19

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Solution

The fourth proportional to 102,623.74, 141,623.16 and 57,300.19 is: 79,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.74 : 141,623.16 = 57,300.19 : x
  2. Step 2: Convert to fraction form
    102,623.74/141,623.16 = 57,300.19/x
  3. Step 3: Cross multiply
    102,623.74x = 141,623.16 × 57,300.19
  4. Step 4: Simplify right side
    102,623.74x = 8,115,033,268.28
  5. Step 5: Solve for x
    x = 8,115,033,268.28/102,623.74
  6. Step 6: Final answer
    x = 79,075.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.