Home / 94,210.24-129,960-76,325.44

Finding the Fourth Proportional to 94,210.24, 129,960 and 76,325.44

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Solution

The fourth proportional to 94,210.24, 129,960 and 76,325.44 is: 105,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,210.24 : 129,960 = 76,325.44 : x
  2. Step 2: Convert to fraction form
    94,210.24/129,960 = 76,325.44/x
  3. Step 3: Cross multiply
    94,210.24x = 129,960 × 76,325.44
  4. Step 4: Simplify right side
    94,210.24x = 9,919,254,182.40
  5. Step 5: Solve for x
    x = 9,919,254,182.40/94,210.24
  6. Step 6: Final answer
    x = 105,288.49

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1.5x scale

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.