Home / 78,445.28-108,260.88-44,913.44

Finding the Fourth Proportional to 78,445.28, 108,260.88 and 44,913.44

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Solution

The fourth proportional to 78,445.28, 108,260.88 and 44,913.44 is: 61,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,445.28 : 108,260.88 = 44,913.44 : x
  2. Step 2: Convert to fraction form
    78,445.28/108,260.88 = 44,913.44/x
  3. Step 3: Cross multiply
    78,445.28x = 108,260.88 × 44,913.44
  4. Step 4: Simplify right side
    78,445.28x = 4,862,368,538.23
  5. Step 5: Solve for x
    x = 4,862,368,538.23/78,445.28
  6. Step 6: Final answer
    x = 61,984.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.