Home / 108,690.32-163,024.56-29,812.48

Finding the Fourth Proportional to 108,690.32, 163,024.56 and 29,812.48

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Solution

The fourth proportional to 108,690.32, 163,024.56 and 29,812.48 is: 44,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,690.32 : 163,024.56 = 29,812.48 : x
  2. Step 2: Convert to fraction form
    108,690.32/163,024.56 = 29,812.48/x
  3. Step 3: Cross multiply
    108,690.32x = 163,024.56 × 29,812.48
  4. Step 4: Simplify right side
    108,690.32x = 4,860,166,434.51
  5. Step 5: Solve for x
    x = 4,860,166,434.51/108,690.32
  6. Step 6: Final answer
    x = 44,715.72

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1.5x scale

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.