Home / 74,841.34-112,164.80-30,416.39

Finding the Fourth Proportional to 74,841.34, 112,164.80 and 30,416.39

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Solution

The fourth proportional to 74,841.34, 112,164.80 and 30,416.39 is: 45,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,841.34 : 112,164.80 = 30,416.39 : x
  2. Step 2: Convert to fraction form
    74,841.34/112,164.80 = 30,416.39/x
  3. Step 3: Cross multiply
    74,841.34x = 112,164.80 × 30,416.39
  4. Step 4: Simplify right side
    74,841.34x = 3,411,648,301.07
  5. Step 5: Solve for x
    x = 3,411,648,301.07/74,841.34
  6. Step 6: Final answer
    x = 45,585.08

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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.