Home / 105,607.67-158,432.13-46,443.15

Finding the Fourth Proportional to 105,607.67, 158,432.13 and 46,443.15

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Solution

The fourth proportional to 105,607.67, 158,432.13 and 46,443.15 is: 69,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,607.67 : 158,432.13 = 46,443.15 : x
  2. Step 2: Convert to fraction form
    105,607.67/158,432.13 = 46,443.15/x
  3. Step 3: Cross multiply
    105,607.67x = 158,432.13 × 46,443.15
  4. Step 4: Simplify right side
    105,607.67x = 7,358,087,178.41
  5. Step 5: Solve for x
    x = 7,358,087,178.41/105,607.67
  6. Step 6: Final answer
    x = 69,673.80

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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.