Home / 83,418.02-115,118.55-45,692.30

Finding the Fourth Proportional to 83,418.02, 115,118.55 and 45,692.30

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Solution

The fourth proportional to 83,418.02, 115,118.55 and 45,692.30 is: 63,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,418.02 : 115,118.55 = 45,692.30 : x
  2. Step 2: Convert to fraction form
    83,418.02/115,118.55 = 45,692.30/x
  3. Step 3: Cross multiply
    83,418.02x = 115,118.55 × 45,692.30
  4. Step 4: Simplify right side
    83,418.02x = 5,260,031,322.17
  5. Step 5: Solve for x
    x = 5,260,031,322.17/83,418.02
  6. Step 6: Final answer
    x = 63,056.30

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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.