Home / 76,611.42-105,725.79-46,402.20

Finding the Fourth Proportional to 76,611.42, 105,725.79 and 46,402.20

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Solution

The fourth proportional to 76,611.42, 105,725.79 and 46,402.20 is: 64,036.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,611.42 : 105,725.79 = 46,402.20 : x
  2. Step 2: Convert to fraction form
    76,611.42/105,725.79 = 46,402.20/x
  3. Step 3: Cross multiply
    76,611.42x = 105,725.79 × 46,402.20
  4. Step 4: Simplify right side
    76,611.42x = 4,905,909,252.74
  5. Step 5: Solve for x
    x = 4,905,909,252.74/76,611.42
  6. Step 6: Final answer
    x = 64,036.27

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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.