Home / 109,056.80-163,585.20-59,160.80

Finding the Fourth Proportional to 109,056.80, 163,585.20 and 59,160.80

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Solution

The fourth proportional to 109,056.80, 163,585.20 and 59,160.80 is: 88,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,056.80 : 163,585.20 = 59,160.80 : x
  2. Step 2: Convert to fraction form
    109,056.80/163,585.20 = 59,160.80/x
  3. Step 3: Cross multiply
    109,056.80x = 163,585.20 × 59,160.80
  4. Step 4: Simplify right side
    109,056.80x = 9,677,831,300.16
  5. Step 5: Solve for x
    x = 9,677,831,300.16/109,056.80
  6. Step 6: Final answer
    x = 88,741.20

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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.