Home / 76,639.02-105,764.82-46,407.24

Finding the Fourth Proportional to 76,639.02, 105,764.82 and 46,407.24

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Solution

The fourth proportional to 76,639.02, 105,764.82 and 46,407.24 is: 64,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,639.02 : 105,764.82 = 46,407.24 : x
  2. Step 2: Convert to fraction form
    76,639.02/105,764.82 = 46,407.24/x
  3. Step 3: Cross multiply
    76,639.02x = 105,764.82 × 46,407.24
  4. Step 4: Simplify right side
    76,639.02x = 4,908,253,385.30
  5. Step 5: Solve for x
    x = 4,908,253,385.30/76,639.02
  6. Step 6: Final answer
    x = 64,043.79

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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.