Home / 102,002.20-153,027.60-49,368.40

Finding the Fourth Proportional to 102,002.20, 153,027.60 and 49,368.40

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Solution

The fourth proportional to 102,002.20, 153,027.60 and 49,368.40 is: 74,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.20 : 153,027.60 = 49,368.40 : x
  2. Step 2: Convert to fraction form
    102,002.20/153,027.60 = 49,368.40/x
  3. Step 3: Cross multiply
    102,002.20x = 153,027.60 × 49,368.40
  4. Step 4: Simplify right side
    102,002.20x = 7,554,727,767.84
  5. Step 5: Solve for x
    x = 7,554,727,767.84/102,002.20
  6. Step 6: Final answer
    x = 74,064.36

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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.