Home / 98,623.80-147,935.70-61,226.10

Finding the Fourth Proportional to 98,623.80, 147,935.70 and 61,226.10

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Solution

The fourth proportional to 98,623.80, 147,935.70 and 61,226.10 is: 91,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.80 : 147,935.70 = 61,226.10 : x
  2. Step 2: Convert to fraction form
    98,623.80/147,935.70 = 61,226.10/x
  3. Step 3: Cross multiply
    98,623.80x = 147,935.70 × 61,226.10
  4. Step 4: Simplify right side
    98,623.80x = 9,057,525,961.77
  5. Step 5: Solve for x
    x = 9,057,525,961.77/98,623.80
  6. Step 6: Final answer
    x = 91,839.15

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1.5x scale

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.