Home / 76,510.40-105,584.94-42,522.08

Finding the Fourth Proportional to 76,510.40, 105,584.94 and 42,522.08

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Solution

The fourth proportional to 76,510.40, 105,584.94 and 42,522.08 is: 58,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,510.40 : 105,584.94 = 42,522.08 : x
  2. Step 2: Convert to fraction form
    76,510.40/105,584.94 = 42,522.08/x
  3. Step 3: Cross multiply
    76,510.40x = 105,584.94 × 42,522.08
  4. Step 4: Simplify right side
    76,510.40x = 4,489,691,265.48
  5. Step 5: Solve for x
    x = 4,489,691,265.48/76,510.40
  6. Step 6: Final answer
    x = 58,680.80

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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.