Home / 71,435.03-107,130.67-49,390.07

Finding the Fourth Proportional to 71,435.03, 107,130.67 and 49,390.07

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Solution

The fourth proportional to 71,435.03, 107,130.67 and 49,390.07 is: 74,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,435.03 : 107,130.67 = 49,390.07 : x
  2. Step 2: Convert to fraction form
    71,435.03/107,130.67 = 49,390.07/x
  3. Step 3: Cross multiply
    71,435.03x = 107,130.67 × 49,390.07
  4. Step 4: Simplify right side
    71,435.03x = 5,291,191,233.93
  5. Step 5: Solve for x
    x = 5,291,191,233.93/71,435.03
  6. Step 6: Final answer
    x = 74,069.98

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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.