Home / 98,017.28-147,025.92-31,464.32

Finding the Fourth Proportional to 98,017.28, 147,025.92 and 31,464.32

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Solution

The fourth proportional to 98,017.28, 147,025.92 and 31,464.32 is: 47,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,017.28 : 147,025.92 = 31,464.32 : x
  2. Step 2: Convert to fraction form
    98,017.28/147,025.92 = 31,464.32/x
  3. Step 3: Cross multiply
    98,017.28x = 147,025.92 × 31,464.32
  4. Step 4: Simplify right side
    98,017.28x = 4,626,070,595.17
  5. Step 5: Solve for x
    x = 4,626,070,595.17/98,017.28
  6. Step 6: Final answer
    x = 47,196.48

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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.