Home / 78,709.23-108,622.58-44,264.80

Finding the Fourth Proportional to 78,709.23, 108,622.58 and 44,264.80

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Solution

The fourth proportional to 78,709.23, 108,622.58 and 44,264.80 is: 61,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,709.23 : 108,622.58 = 44,264.80 : x
  2. Step 2: Convert to fraction form
    78,709.23/108,622.58 = 44,264.80/x
  3. Step 3: Cross multiply
    78,709.23x = 108,622.58 × 44,264.80
  4. Step 4: Simplify right side
    78,709.23x = 4,808,156,779.18
  5. Step 5: Solve for x
    x = 4,808,156,779.18/78,709.23
  6. Step 6: Final answer
    x = 61,087.59

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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.