Home / 115,937.10-173,905.65-56,742.30

Finding the Fourth Proportional to 115,937.10, 173,905.65 and 56,742.30

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Solution

The fourth proportional to 115,937.10, 173,905.65 and 56,742.30 is: 85,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,937.10 : 173,905.65 = 56,742.30 : x
  2. Step 2: Convert to fraction form
    115,937.10/173,905.65 = 56,742.30/x
  3. Step 3: Cross multiply
    115,937.10x = 173,905.65 × 56,742.30
  4. Step 4: Simplify right side
    115,937.10x = 9,867,806,564.00
  5. Step 5: Solve for x
    x = 9,867,806,564.00/115,937.10
  6. Step 6: Final answer
    x = 85,113.45

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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.