Home / 102,606.13-153,925.40-39,423.73

Finding the Fourth Proportional to 102,606.13, 153,925.40 and 39,423.73

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Solution

The fourth proportional to 102,606.13, 153,925.40 and 39,423.73 is: 59,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,606.13 : 153,925.40 = 39,423.73 : x
  2. Step 2: Convert to fraction form
    102,606.13/153,925.40 = 39,423.73/x
  3. Step 3: Cross multiply
    102,606.13x = 153,925.40 × 39,423.73
  4. Step 4: Simplify right side
    102,606.13x = 6,068,313,409.74
  5. Step 5: Solve for x
    x = 6,068,313,409.74/102,606.13
  6. Step 6: Final answer
    x = 59,141.82

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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.