Home / 70,490.04-105,733.02-26,115.80

Finding the Fourth Proportional to 70,490.04, 105,733.02 and 26,115.80

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Solution

The fourth proportional to 70,490.04, 105,733.02 and 26,115.80 is: 39,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,490.04 : 105,733.02 = 26,115.80 : x
  2. Step 2: Convert to fraction form
    70,490.04/105,733.02 = 26,115.80/x
  3. Step 3: Cross multiply
    70,490.04x = 105,733.02 × 26,115.80
  4. Step 4: Simplify right side
    70,490.04x = 2,761,302,403.72
  5. Step 5: Solve for x
    x = 2,761,302,403.72/70,490.04
  6. Step 6: Final answer
    x = 39,172.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.