Home / 76,136.40-105,050.52-44,287.20

Finding the Fourth Proportional to 76,136.40, 105,050.52 and 44,287.20

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Solution

The fourth proportional to 76,136.40, 105,050.52 and 44,287.20 is: 61,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,136.40 : 105,050.52 = 44,287.20 : x
  2. Step 2: Convert to fraction form
    76,136.40/105,050.52 = 44,287.20/x
  3. Step 3: Cross multiply
    76,136.40x = 105,050.52 × 44,287.20
  4. Step 4: Simplify right side
    76,136.40x = 4,652,393,389.34
  5. Step 5: Solve for x
    x = 4,652,393,389.34/76,136.40
  6. Step 6: Final answer
    x = 61,106.03

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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.