Home / 91,216.74-125,877.88-50,931.18

Finding the Fourth Proportional to 91,216.74, 125,877.88 and 50,931.18

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Solution

The fourth proportional to 91,216.74, 125,877.88 and 50,931.18 is: 70,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.74 : 125,877.88 = 50,931.18 : x
  2. Step 2: Convert to fraction form
    91,216.74/125,877.88 = 50,931.18/x
  3. Step 3: Cross multiply
    91,216.74x = 125,877.88 × 50,931.18
  4. Step 4: Simplify right side
    91,216.74x = 6,411,108,964.30
  5. Step 5: Solve for x
    x = 6,411,108,964.30/91,216.74
  6. Step 6: Final answer
    x = 70,284.35

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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.