Home / 108,743.60-150,056.08-60,987.72

Finding the Fourth Proportional to 108,743.60, 150,056.08 and 60,987.72

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Solution

The fourth proportional to 108,743.60, 150,056.08 and 60,987.72 is: 84,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,743.60 : 150,056.08 = 60,987.72 : x
  2. Step 2: Convert to fraction form
    108,743.60/150,056.08 = 60,987.72/x
  3. Step 3: Cross multiply
    108,743.60x = 150,056.08 × 60,987.72
  4. Step 4: Simplify right side
    108,743.60x = 9,151,578,191.34
  5. Step 5: Solve for x
    x = 9,151,578,191.34/108,743.60
  6. Step 6: Final answer
    x = 84,157.40

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1.5x scale

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.