Home / 51,875.40-77,688.38-29,621.34

Finding the Fourth Proportional to 51,875.40, 77,688.38 and 29,621.34

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Solution

The fourth proportional to 51,875.40, 77,688.38 and 29,621.34 is: 44,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,875.40 : 77,688.38 = 29,621.34 : x
  2. Step 2: Convert to fraction form
    51,875.40/77,688.38 = 29,621.34/x
  3. Step 3: Cross multiply
    51,875.40x = 77,688.38 × 29,621.34
  4. Step 4: Simplify right side
    51,875.40x = 2,301,233,769.92
  5. Step 5: Solve for x
    x = 2,301,233,769.92/51,875.40
  6. Step 6: Final answer
    x = 44,360.79

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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.