Home / 108,065.36-149,155.08-63,367.76

Finding the Fourth Proportional to 108,065.36, 149,155.08 and 63,367.76

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Solution

The fourth proportional to 108,065.36, 149,155.08 and 63,367.76 is: 87,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,065.36 : 149,155.08 = 63,367.76 : x
  2. Step 2: Convert to fraction form
    108,065.36/149,155.08 = 63,367.76/x
  3. Step 3: Cross multiply
    108,065.36x = 149,155.08 × 63,367.76
  4. Step 4: Simplify right side
    108,065.36x = 9,451,623,312.22
  5. Step 5: Solve for x
    x = 9,451,623,312.22/108,065.36
  6. Step 6: Final answer
    x = 87,462.10

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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.