Home / 75,714.69-113,499.73-28,316.93

Finding the Fourth Proportional to 75,714.69, 113,499.73 and 28,316.93

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Solution

The fourth proportional to 75,714.69, 113,499.73 and 28,316.93 is: 42,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,714.69 : 113,499.73 = 28,316.93 : x
  2. Step 2: Convert to fraction form
    75,714.69/113,499.73 = 28,316.93/x
  3. Step 3: Cross multiply
    75,714.69x = 113,499.73 × 28,316.93
  4. Step 4: Simplify right side
    75,714.69x = 3,213,963,909.43
  5. Step 5: Solve for x
    x = 3,213,963,909.43/75,714.69
  6. Step 6: Final answer
    x = 42,448.35

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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.