Home / 73,113.49-100,890.48-42,895.63

Finding the Fourth Proportional to 73,113.49, 100,890.48 and 42,895.63

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Solution

The fourth proportional to 73,113.49, 100,890.48 and 42,895.63 is: 59,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,113.49 : 100,890.48 = 42,895.63 : x
  2. Step 2: Convert to fraction form
    73,113.49/100,890.48 = 42,895.63/x
  3. Step 3: Cross multiply
    73,113.49x = 100,890.48 × 42,895.63
  4. Step 4: Simplify right side
    73,113.49x = 4,327,760,700.60
  5. Step 5: Solve for x
    x = 4,327,760,700.60/73,113.49
  6. Step 6: Final answer
    x = 59,192.37

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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.