Home / 42,070.63-63,087.53-15,756.92

Finding the Fourth Proportional to 42,070.63, 63,087.53 and 15,756.92

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Solution

The fourth proportional to 42,070.63, 63,087.53 and 15,756.92 is: 23,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,070.63 : 63,087.53 = 15,756.92 : x
  2. Step 2: Convert to fraction form
    42,070.63/63,087.53 = 15,756.92/x
  3. Step 3: Cross multiply
    42,070.63x = 63,087.53 × 15,756.92
  4. Step 4: Simplify right side
    42,070.63x = 994,065,163.21
  5. Step 5: Solve for x
    x = 994,065,163.21/42,070.63
  6. Step 6: Final answer
    x = 23,628.48

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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.