Home / 59,969.06-90,106.68-45,316.16

Finding the Fourth Proportional to 59,969.06, 90,106.68 and 45,316.16

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Solution

The fourth proportional to 59,969.06, 90,106.68 and 45,316.16 is: 68,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,969.06 : 90,106.68 = 45,316.16 : x
  2. Step 2: Convert to fraction form
    59,969.06/90,106.68 = 45,316.16/x
  3. Step 3: Cross multiply
    59,969.06x = 90,106.68 × 45,316.16
  4. Step 4: Simplify right side
    59,969.06x = 4,083,288,727.95
  5. Step 5: Solve for x
    x = 4,083,288,727.95/59,969.06
  6. Step 6: Final answer
    x = 68,089.92

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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.