Home / 65,384.20-97,817.10-56,715.40

Finding the Fourth Proportional to 65,384.20, 97,817.10 and 56,715.40

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Solution

The fourth proportional to 65,384.20, 97,817.10 and 56,715.40 is: 84,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,384.20 : 97,817.10 = 56,715.40 : x
  2. Step 2: Convert to fraction form
    65,384.20/97,817.10 = 56,715.40/x
  3. Step 3: Cross multiply
    65,384.20x = 97,817.10 × 56,715.40
  4. Step 4: Simplify right side
    65,384.20x = 5,547,735,953.34
  5. Step 5: Solve for x
    x = 5,547,735,953.34/65,384.20
  6. Step 6: Final answer
    x = 84,848.27

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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.