Home / 113,878.10-170,920.80-60,614.81

Finding the Fourth Proportional to 113,878.10, 170,920.80 and 60,614.81

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Solution

The fourth proportional to 113,878.10, 170,920.80 and 60,614.81 is: 90,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,878.10 : 170,920.80 = 60,614.81 : x
  2. Step 2: Convert to fraction form
    113,878.10/170,920.80 = 60,614.81/x
  3. Step 3: Cross multiply
    113,878.10x = 170,920.80 × 60,614.81
  4. Step 4: Simplify right side
    113,878.10x = 10,360,330,962.44
  5. Step 5: Solve for x
    x = 10,360,330,962.44/113,878.10
  6. Step 6: Final answer
    x = 90,977.38

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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.