Home / 90,404.84-124,860.81-61,675.17

Finding the Fourth Proportional to 90,404.84, 124,860.81 and 61,675.17

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Solution

The fourth proportional to 90,404.84, 124,860.81 and 61,675.17 is: 85,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,404.84 : 124,860.81 = 61,675.17 : x
  2. Step 2: Convert to fraction form
    90,404.84/124,860.81 = 61,675.17/x
  3. Step 3: Cross multiply
    90,404.84x = 124,860.81 × 61,675.17
  4. Step 4: Simplify right side
    90,404.84x = 7,700,811,683.09
  5. Step 5: Solve for x
    x = 7,700,811,683.09/90,404.84
  6. Step 6: Final answer
    x = 85,181.41

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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.