Home / 76,718.56-105,841.20-46,927.84

Finding the Fourth Proportional to 76,718.56, 105,841.20 and 46,927.84

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Solution

The fourth proportional to 76,718.56, 105,841.20 and 46,927.84 is: 64,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,718.56 : 105,841.20 = 46,927.84 : x
  2. Step 2: Convert to fraction form
    76,718.56/105,841.20 = 46,927.84/x
  3. Step 3: Cross multiply
    76,718.56x = 105,841.20 × 46,927.84
  4. Step 4: Simplify right side
    76,718.56x = 4,966,898,899.01
  5. Step 5: Solve for x
    x = 4,966,898,899.01/76,718.56
  6. Step 6: Final answer
    x = 64,741.82

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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.