Home / 99,700.48-149,550.24-94,717.12

Finding the Fourth Proportional to 99,700.48, 149,550.24 and 94,717.12

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Solution

The fourth proportional to 99,700.48, 149,550.24 and 94,717.12 is: 142,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,700.48 : 149,550.24 = 94,717.12 : x
  2. Step 2: Convert to fraction form
    99,700.48/149,550.24 = 94,717.12/x
  3. Step 3: Cross multiply
    99,700.48x = 149,550.24 × 94,717.12
  4. Step 4: Simplify right side
    99,700.48x = 14,164,968,028.11
  5. Step 5: Solve for x
    x = 14,164,968,028.11/99,700.48
  6. Step 6: Final answer
    x = 142,075.22

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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.