Home / 71,922.48-99,250.95-40,090.69

Finding the Fourth Proportional to 71,922.48, 99,250.95 and 40,090.69

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Solution

The fourth proportional to 71,922.48, 99,250.95 and 40,090.69 is: 55,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.48 : 99,250.95 = 40,090.69 : x
  2. Step 2: Convert to fraction form
    71,922.48/99,250.95 = 40,090.69/x
  3. Step 3: Cross multiply
    71,922.48x = 99,250.95 × 40,090.69
  4. Step 4: Simplify right side
    71,922.48x = 3,979,039,068.66
  5. Step 5: Solve for x
    x = 3,979,039,068.66/71,922.48
  6. Step 6: Final answer
    x = 55,324.00

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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.