Home / 113,328.08-156,398.28-63,026

Finding the Fourth Proportional to 113,328.08, 156,398.28 and 63,026

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Solution

The fourth proportional to 113,328.08, 156,398.28 and 63,026 is: 86,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,328.08 : 156,398.28 = 63,026 : x
  2. Step 2: Convert to fraction form
    113,328.08/156,398.28 = 63,026/x
  3. Step 3: Cross multiply
    113,328.08x = 156,398.28 × 63,026
  4. Step 4: Simplify right side
    113,328.08x = 9,857,157,995.28
  5. Step 5: Solve for x
    x = 9,857,157,995.28/113,328.08
  6. Step 6: Final answer
    x = 86,978.96

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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.