Home / 76,113.42-105,136.92-58,426.98

Finding the Fourth Proportional to 76,113.42, 105,136.92 and 58,426.98

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Solution

The fourth proportional to 76,113.42, 105,136.92 and 58,426.98 is: 80,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,113.42 : 105,136.92 = 58,426.98 : x
  2. Step 2: Convert to fraction form
    76,113.42/105,136.92 = 58,426.98/x
  3. Step 3: Cross multiply
    76,113.42x = 105,136.92 × 58,426.98
  4. Step 4: Simplify right side
    76,113.42x = 6,142,832,722.10
  5. Step 5: Solve for x
    x = 6,142,832,722.10/76,113.42
  6. Step 6: Final answer
    x = 80,706.30

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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.