Home / 53,146.15-79,730.46-17,605.45

Finding the Fourth Proportional to 53,146.15, 79,730.46 and 17,605.45

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Solution

The fourth proportional to 53,146.15, 79,730.46 and 17,605.45 is: 26,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.15 : 79,730.46 = 17,605.45 : x
  2. Step 2: Convert to fraction form
    53,146.15/79,730.46 = 17,605.45/x
  3. Step 3: Cross multiply
    53,146.15x = 79,730.46 × 17,605.45
  4. Step 4: Simplify right side
    53,146.15x = 1,403,690,627.01
  5. Step 5: Solve for x
    x = 1,403,690,627.01/53,146.15
  6. Step 6: Final answer
    x = 26,411.90

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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.