Home / 84,352.28-126,528.32-34,455.84

Finding the Fourth Proportional to 84,352.28, 126,528.32 and 34,455.84

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Solution

The fourth proportional to 84,352.28, 126,528.32 and 34,455.84 is: 51,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,352.28 : 126,528.32 = 34,455.84 : x
  2. Step 2: Convert to fraction form
    84,352.28/126,528.32 = 34,455.84/x
  3. Step 3: Cross multiply
    84,352.28x = 126,528.32 × 34,455.84
  4. Step 4: Simplify right side
    84,352.28x = 4,359,639,549.39
  5. Step 5: Solve for x
    x = 4,359,639,549.39/84,352.28
  6. Step 6: Final answer
    x = 51,683.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.