Home / 53,686.14-74,000.70-36,453.12

Finding the Fourth Proportional to 53,686.14, 74,000.70 and 36,453.12

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Solution

The fourth proportional to 53,686.14, 74,000.70 and 36,453.12 is: 50,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.14 : 74,000.70 = 36,453.12 : x
  2. Step 2: Convert to fraction form
    53,686.14/74,000.70 = 36,453.12/x
  3. Step 3: Cross multiply
    53,686.14x = 74,000.70 × 36,453.12
  4. Step 4: Simplify right side
    53,686.14x = 2,697,556,397.18
  5. Step 5: Solve for x
    x = 2,697,556,397.18/53,686.14
  6. Step 6: Final answer
    x = 50,246.79

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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.