Home / 102,005.48-153,007.98-27,125.64

Finding the Fourth Proportional to 102,005.48, 153,007.98 and 27,125.64

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Solution

The fourth proportional to 102,005.48, 153,007.98 and 27,125.64 is: 40,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,005.48 : 153,007.98 = 27,125.64 : x
  2. Step 2: Convert to fraction form
    102,005.48/153,007.98 = 27,125.64/x
  3. Step 3: Cross multiply
    102,005.48x = 153,007.98 × 27,125.64
  4. Step 4: Simplify right side
    102,005.48x = 4,150,439,382.61
  5. Step 5: Solve for x
    x = 4,150,439,382.61/102,005.48
  6. Step 6: Final answer
    x = 40,688.40

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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.