Home / 109,445.04-163,871.51-56,743.74

Finding the Fourth Proportional to 109,445.04, 163,871.51 and 56,743.74

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Solution

The fourth proportional to 109,445.04, 163,871.51 and 56,743.74 is: 84,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,445.04 : 163,871.51 = 56,743.74 : x
  2. Step 2: Convert to fraction form
    109,445.04/163,871.51 = 56,743.74/x
  3. Step 3: Cross multiply
    109,445.04x = 163,871.51 × 56,743.74
  4. Step 4: Simplify right side
    109,445.04x = 9,298,682,073.13
  5. Step 5: Solve for x
    x = 9,298,682,073.13/109,445.04
  6. Step 6: Final answer
    x = 84,962.11

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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.