Home / 108,577.08-162,812.16-51,635.16

Finding the Fourth Proportional to 108,577.08, 162,812.16 and 51,635.16

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Solution

The fourth proportional to 108,577.08, 162,812.16 and 51,635.16 is: 77,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,577.08 : 162,812.16 = 51,635.16 : x
  2. Step 2: Convert to fraction form
    108,577.08/162,812.16 = 51,635.16/x
  3. Step 3: Cross multiply
    108,577.08x = 162,812.16 × 51,635.16
  4. Step 4: Simplify right side
    108,577.08x = 8,406,831,931.55
  5. Step 5: Solve for x
    x = 8,406,831,931.55/108,577.08
  6. Step 6: Final answer
    x = 77,427.32

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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.