Home / 79,973.45-119,888.88-40,510.25

Finding the Fourth Proportional to 79,973.45, 119,888.88 and 40,510.25

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Solution

The fourth proportional to 79,973.45, 119,888.88 and 40,510.25 is: 60,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,973.45 : 119,888.88 = 40,510.25 : x
  2. Step 2: Convert to fraction form
    79,973.45/119,888.88 = 40,510.25/x
  3. Step 3: Cross multiply
    79,973.45x = 119,888.88 × 40,510.25
  4. Step 4: Simplify right side
    79,973.45x = 4,856,728,501.02
  5. Step 5: Solve for x
    x = 4,856,728,501.02/79,973.45
  6. Step 6: Final answer
    x = 60,729.26

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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.