Home / 74,771.04-112,045.74-30,343.74

Finding the Fourth Proportional to 74,771.04, 112,045.74 and 30,343.74

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Solution

The fourth proportional to 74,771.04, 112,045.74 and 30,343.74 is: 45,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,771.04 : 112,045.74 = 30,343.74 : x
  2. Step 2: Convert to fraction form
    74,771.04/112,045.74 = 30,343.74/x
  3. Step 3: Cross multiply
    74,771.04x = 112,045.74 × 30,343.74
  4. Step 4: Simplify right side
    74,771.04x = 3,399,886,802.67
  5. Step 5: Solve for x
    x = 3,399,886,802.67/74,771.04
  6. Step 6: Final answer
    x = 45,470.64

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1.5x scale

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.