Home / 90,417.87-124,770.58-52,179.02

Finding the Fourth Proportional to 90,417.87, 124,770.58 and 52,179.02

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Solution

The fourth proportional to 90,417.87, 124,770.58 and 52,179.02 is: 72,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,417.87 : 124,770.58 = 52,179.02 : x
  2. Step 2: Convert to fraction form
    90,417.87/124,770.58 = 52,179.02/x
  3. Step 3: Cross multiply
    90,417.87x = 124,770.58 × 52,179.02
  4. Step 4: Simplify right side
    90,417.87x = 6,510,406,302.82
  5. Step 5: Solve for x
    x = 6,510,406,302.82/90,417.87
  6. Step 6: Final answer
    x = 72,003.54

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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.