Home / 94,152.77-129,876.59-56,405.15

Finding the Fourth Proportional to 94,152.77, 129,876.59 and 56,405.15

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Solution

The fourth proportional to 94,152.77, 129,876.59 and 56,405.15 is: 77,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,152.77 : 129,876.59 = 56,405.15 : x
  2. Step 2: Convert to fraction form
    94,152.77/129,876.59 = 56,405.15/x
  3. Step 3: Cross multiply
    94,152.77x = 129,876.59 × 56,405.15
  4. Step 4: Simplify right side
    94,152.77x = 7,325,708,258.41
  5. Step 5: Solve for x
    x = 7,325,708,258.41/94,152.77
  6. Step 6: Final answer
    x = 77,806.61

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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.