Home / 73,355.12-101,236.20-45,070.64

Finding the Fourth Proportional to 73,355.12, 101,236.20 and 45,070.64

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Solution

The fourth proportional to 73,355.12, 101,236.20 and 45,070.64 is: 62,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,355.12 : 101,236.20 = 45,070.64 : x
  2. Step 2: Convert to fraction form
    73,355.12/101,236.20 = 45,070.64/x
  3. Step 3: Cross multiply
    73,355.12x = 101,236.20 × 45,070.64
  4. Step 4: Simplify right side
    73,355.12x = 4,562,780,325.17
  5. Step 5: Solve for x
    x = 4,562,780,325.17/73,355.12
  6. Step 6: Final answer
    x = 62,201.25

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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.