Home / 117,587.17-176,384.10-28,840.60

Finding the Fourth Proportional to 117,587.17, 176,384.10 and 28,840.60

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Solution

The fourth proportional to 117,587.17, 176,384.10 and 28,840.60 is: 43,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.17 : 176,384.10 = 28,840.60 : x
  2. Step 2: Convert to fraction form
    117,587.17/176,384.10 = 28,840.60/x
  3. Step 3: Cross multiply
    117,587.17x = 176,384.10 × 28,840.60
  4. Step 4: Simplify right side
    117,587.17x = 5,087,023,274.46
  5. Step 5: Solve for x
    x = 5,087,023,274.46/117,587.17
  6. Step 6: Final answer
    x = 43,261.72

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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.