Home / 75,110.40-103,612.26-46,446.12

Finding the Fourth Proportional to 75,110.40, 103,612.26 and 46,446.12

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Solution

The fourth proportional to 75,110.40, 103,612.26 and 46,446.12 is: 64,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.40 : 103,612.26 = 46,446.12 : x
  2. Step 2: Convert to fraction form
    75,110.40/103,612.26 = 46,446.12/x
  3. Step 3: Cross multiply
    75,110.40x = 103,612.26 × 46,446.12
  4. Step 4: Simplify right side
    75,110.40x = 4,812,387,461.43
  5. Step 5: Solve for x
    x = 4,812,387,461.43/75,110.40
  6. Step 6: Final answer
    x = 64,070.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.