Home / 104,970.16-157,397.42-71,727.76

Finding the Fourth Proportional to 104,970.16, 157,397.42 and 71,727.76

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Solution

The fourth proportional to 104,970.16, 157,397.42 and 71,727.76 is: 107,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,970.16 : 157,397.42 = 71,727.76 : x
  2. Step 2: Convert to fraction form
    104,970.16/157,397.42 = 71,727.76/x
  3. Step 3: Cross multiply
    104,970.16x = 157,397.42 × 71,727.76
  4. Step 4: Simplify right side
    104,970.16x = 11,289,764,366.38
  5. Step 5: Solve for x
    x = 11,289,764,366.38/104,970.16
  6. Step 6: Final answer
    x = 107,552.13

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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.