Home / 73,250.40-109,875.60-43,312.80

Finding the Fourth Proportional to 73,250.40, 109,875.60 and 43,312.80

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Solution

The fourth proportional to 73,250.40, 109,875.60 and 43,312.80 is: 64,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,250.40 : 109,875.60 = 43,312.80 : x
  2. Step 2: Convert to fraction form
    73,250.40/109,875.60 = 43,312.80/x
  3. Step 3: Cross multiply
    73,250.40x = 109,875.60 × 43,312.80
  4. Step 4: Simplify right side
    73,250.40x = 4,759,019,887.68
  5. Step 5: Solve for x
    x = 4,759,019,887.68/73,250.40
  6. Step 6: Final answer
    x = 64,969.20

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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.