Home / 72,840.04-100,519.14-41,007.40

Finding the Fourth Proportional to 72,840.04, 100,519.14 and 41,007.40

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Solution

The fourth proportional to 72,840.04, 100,519.14 and 41,007.40 is: 56,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,840.04 : 100,519.14 = 41,007.40 : x
  2. Step 2: Convert to fraction form
    72,840.04/100,519.14 = 41,007.40/x
  3. Step 3: Cross multiply
    72,840.04x = 100,519.14 × 41,007.40
  4. Step 4: Simplify right side
    72,840.04x = 4,122,028,581.64
  5. Step 5: Solve for x
    x = 4,122,028,581.64/72,840.04
  6. Step 6: Final answer
    x = 56,590.15

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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.