Home / 55,008.10-82,362.30-28,657.18

Finding the Fourth Proportional to 55,008.10, 82,362.30 and 28,657.18

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Solution

The fourth proportional to 55,008.10, 82,362.30 and 28,657.18 is: 42,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,008.10 : 82,362.30 = 28,657.18 : x
  2. Step 2: Convert to fraction form
    55,008.10/82,362.30 = 28,657.18/x
  3. Step 3: Cross multiply
    55,008.10x = 82,362.30 × 28,657.18
  4. Step 4: Simplify right side
    55,008.10x = 2,360,271,256.31
  5. Step 5: Solve for x
    x = 2,360,271,256.31/55,008.10
  6. Step 6: Final answer
    x = 42,907.70

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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.