Home / 67,899.07-101,815.80-28,445.59

Finding the Fourth Proportional to 67,899.07, 101,815.80 and 28,445.59

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Solution

The fourth proportional to 67,899.07, 101,815.80 and 28,445.59 is: 42,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,899.07 : 101,815.80 = 28,445.59 : x
  2. Step 2: Convert to fraction form
    67,899.07/101,815.80 = 28,445.59/x
  3. Step 3: Cross multiply
    67,899.07x = 101,815.80 × 28,445.59
  4. Step 4: Simplify right side
    67,899.07x = 2,896,210,522.92
  5. Step 5: Solve for x
    x = 2,896,210,522.92/67,899.07
  6. Step 6: Final answer
    x = 42,654.64

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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.