Home / 93,928.40-129,626.18-51,488.72

Finding the Fourth Proportional to 93,928.40, 129,626.18 and 51,488.72

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Solution

The fourth proportional to 93,928.40, 129,626.18 and 51,488.72 is: 71,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,928.40 : 129,626.18 = 51,488.72 : x
  2. Step 2: Convert to fraction form
    93,928.40/129,626.18 = 51,488.72/x
  3. Step 3: Cross multiply
    93,928.40x = 129,626.18 × 51,488.72
  4. Step 4: Simplify right side
    93,928.40x = 6,674,286,086.69
  5. Step 5: Solve for x
    x = 6,674,286,086.69/93,928.40
  6. Step 6: Final answer
    x = 71,057.17

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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.