Home / 113,598.45-170,289-42,501.78

Finding the Fourth Proportional to 113,598.45, 170,289 and 42,501.78

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Solution

The fourth proportional to 113,598.45, 170,289 and 42,501.78 is: 63,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,598.45 : 170,289 = 42,501.78 : x
  2. Step 2: Convert to fraction form
    113,598.45/170,289 = 42,501.78/x
  3. Step 3: Cross multiply
    113,598.45x = 170,289 × 42,501.78
  4. Step 4: Simplify right side
    113,598.45x = 7,237,585,614.42
  5. Step 5: Solve for x
    x = 7,237,585,614.42/113,598.45
  6. Step 6: Final answer
    x = 63,712.01

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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.