Home / 65,126.19-97,688.21-20,752.34

Finding the Fourth Proportional to 65,126.19, 97,688.21 and 20,752.34

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Solution

The fourth proportional to 65,126.19, 97,688.21 and 20,752.34 is: 31,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,126.19 : 97,688.21 = 20,752.34 : x
  2. Step 2: Convert to fraction form
    65,126.19/97,688.21 = 20,752.34/x
  3. Step 3: Cross multiply
    65,126.19x = 97,688.21 × 20,752.34
  4. Step 4: Simplify right side
    65,126.19x = 2,027,258,947.91
  5. Step 5: Solve for x
    x = 2,027,258,947.91/65,126.19
  6. Step 6: Final answer
    x = 31,128.17

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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.