Home / 68,075.06-102,099.09-64,699.46

Finding the Fourth Proportional to 68,075.06, 102,099.09 and 64,699.46

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Solution

The fourth proportional to 68,075.06, 102,099.09 and 64,699.46 is: 97,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,075.06 : 102,099.09 = 64,699.46 : x
  2. Step 2: Convert to fraction form
    68,075.06/102,099.09 = 64,699.46/x
  3. Step 3: Cross multiply
    68,075.06x = 102,099.09 × 64,699.46
  4. Step 4: Simplify right side
    68,075.06x = 6,605,755,155.50
  5. Step 5: Solve for x
    x = 6,605,755,155.50/68,075.06
  6. Step 6: Final answer
    x = 97,036.35

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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.