Home / 94,955.10-142,482.16-68,875.12

Finding the Fourth Proportional to 94,955.10, 142,482.16 and 68,875.12

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Solution

The fourth proportional to 94,955.10, 142,482.16 and 68,875.12 is: 103,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,955.10 : 142,482.16 = 68,875.12 : x
  2. Step 2: Convert to fraction form
    94,955.10/142,482.16 = 68,875.12/x
  3. Step 3: Cross multiply
    94,955.10x = 142,482.16 × 68,875.12
  4. Step 4: Simplify right side
    94,955.10x = 9,813,475,867.86
  5. Step 5: Solve for x
    x = 9,813,475,867.86/94,955.10
  6. Step 6: Final answer
    x = 103,348.59

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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.