Home / 76,326.04-105,219.34-53,595.80

Finding the Fourth Proportional to 76,326.04, 105,219.34 and 53,595.80

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Solution

The fourth proportional to 76,326.04, 105,219.34 and 53,595.80 is: 73,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,326.04 : 105,219.34 = 53,595.80 : x
  2. Step 2: Convert to fraction form
    76,326.04/105,219.34 = 53,595.80/x
  3. Step 3: Cross multiply
    76,326.04x = 105,219.34 × 53,595.80
  4. Step 4: Simplify right side
    76,326.04x = 5,639,314,702.77
  5. Step 5: Solve for x
    x = 5,639,314,702.77/76,326.04
  6. Step 6: Final answer
    x = 73,884.54

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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.