Home / 98,376.04-135,753.24-58,075.10

Finding the Fourth Proportional to 98,376.04, 135,753.24 and 58,075.10

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Solution

The fourth proportional to 98,376.04, 135,753.24 and 58,075.10 is: 80,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,376.04 : 135,753.24 = 58,075.10 : x
  2. Step 2: Convert to fraction form
    98,376.04/135,753.24 = 58,075.10/x
  3. Step 3: Cross multiply
    98,376.04x = 135,753.24 × 58,075.10
  4. Step 4: Simplify right side
    98,376.04x = 7,883,883,254.88
  5. Step 5: Solve for x
    x = 7,883,883,254.88/98,376.04
  6. Step 6: Final answer
    x = 80,140.28

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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.