Home / 64,916.19-97,386.30-20,554.11

Finding the Fourth Proportional to 64,916.19, 97,386.30 and 20,554.11

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Solution

The fourth proportional to 64,916.19, 97,386.30 and 20,554.11 is: 30,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.19 : 97,386.30 = 20,554.11 : x
  2. Step 2: Convert to fraction form
    64,916.19/97,386.30 = 20,554.11/x
  3. Step 3: Cross multiply
    64,916.19x = 97,386.30 × 20,554.11
  4. Step 4: Simplify right side
    64,916.19x = 2,001,688,722.69
  5. Step 5: Solve for x
    x = 2,001,688,722.69/64,916.19
  6. Step 6: Final answer
    x = 30,834.97

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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.