Home / 74,746.71-112,164.26-30,370.05

Finding the Fourth Proportional to 74,746.71, 112,164.26 and 30,370.05

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Solution

The fourth proportional to 74,746.71, 112,164.26 and 30,370.05 is: 45,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.71 : 112,164.26 = 30,370.05 : x
  2. Step 2: Convert to fraction form
    74,746.71/112,164.26 = 30,370.05/x
  3. Step 3: Cross multiply
    74,746.71x = 112,164.26 × 30,370.05
  4. Step 4: Simplify right side
    74,746.71x = 3,406,434,032.56
  5. Step 5: Solve for x
    x = 3,406,434,032.56/74,746.71
  6. Step 6: Final answer
    x = 45,573.03

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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.