Home / 105,823.03-145,994.21-60,476.69

Finding the Fourth Proportional to 105,823.03, 145,994.21 and 60,476.69

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Solution

The fourth proportional to 105,823.03, 145,994.21 and 60,476.69 is: 83,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,823.03 : 145,994.21 = 60,476.69 : x
  2. Step 2: Convert to fraction form
    105,823.03/145,994.21 = 60,476.69/x
  3. Step 3: Cross multiply
    105,823.03x = 145,994.21 × 60,476.69
  4. Step 4: Simplify right side
    105,823.03x = 8,829,245,547.61
  5. Step 5: Solve for x
    x = 8,829,245,547.61/105,823.03
  6. Step 6: Final answer
    x = 83,434.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.