Home / 93,928.30-129,626.38-55,710.48

Finding the Fourth Proportional to 93,928.30, 129,626.38 and 55,710.48

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Solution

The fourth proportional to 93,928.30, 129,626.38 and 55,710.48 is: 76,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,928.30 : 129,626.38 = 55,710.48 : x
  2. Step 2: Convert to fraction form
    93,928.30/129,626.38 = 55,710.48/x
  3. Step 3: Cross multiply
    93,928.30x = 129,626.38 × 55,710.48
  4. Step 4: Simplify right side
    93,928.30x = 7,221,547,850.46
  5. Step 5: Solve for x
    x = 7,221,547,850.46/93,928.30
  6. Step 6: Final answer
    x = 76,883.62

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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.