Home / 43,990.04-65,985.18-10,710.07

Finding the Fourth Proportional to 43,990.04, 65,985.18 and 10,710.07

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Solution

The fourth proportional to 43,990.04, 65,985.18 and 10,710.07 is: 16,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.04 : 65,985.18 = 10,710.07 : x
  2. Step 2: Convert to fraction form
    43,990.04/65,985.18 = 10,710.07/x
  3. Step 3: Cross multiply
    43,990.04x = 65,985.18 × 10,710.07
  4. Step 4: Simplify right side
    43,990.04x = 706,706,123.05
  5. Step 5: Solve for x
    x = 706,706,123.05/43,990.04
  6. Step 6: Final answer
    x = 16,065.14

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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.