Home / 108,564.64-163,586.50-89,275.32

Finding the Fourth Proportional to 108,564.64, 163,586.50 and 89,275.32

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Solution

The fourth proportional to 108,564.64, 163,586.50 and 89,275.32 is: 134,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,564.64 : 163,586.50 = 89,275.32 : x
  2. Step 2: Convert to fraction form
    108,564.64/163,586.50 = 89,275.32/x
  3. Step 3: Cross multiply
    108,564.64x = 163,586.50 × 89,275.32
  4. Step 4: Simplify right side
    108,564.64x = 14,604,237,135.18
  5. Step 5: Solve for x
    x = 14,604,237,135.18/108,564.64
  6. Step 6: Final answer
    x = 134,521.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.