Home / 91,216.98-125,878.22-50,931.42

Finding the Fourth Proportional to 91,216.98, 125,878.22 and 50,931.42

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Solution

The fourth proportional to 91,216.98, 125,878.22 and 50,931.42 is: 70,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.98 : 125,878.22 = 50,931.42 : x
  2. Step 2: Convert to fraction form
    91,216.98/125,878.22 = 50,931.42/x
  3. Step 3: Cross multiply
    91,216.98x = 125,878.22 × 50,931.42
  4. Step 4: Simplify right side
    91,216.98x = 6,411,156,491.67
  5. Step 5: Solve for x
    x = 6,411,156,491.67/91,216.98
  6. Step 6: Final answer
    x = 70,284.68

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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.