Home / 64,979.10-97,461.45-53,271.90

Finding the Fourth Proportional to 64,979.10, 97,461.45 and 53,271.90

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Solution

The fourth proportional to 64,979.10, 97,461.45 and 53,271.90 is: 79,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.10 : 97,461.45 = 53,271.90 : x
  2. Step 2: Convert to fraction form
    64,979.10/97,461.45 = 53,271.90/x
  3. Step 3: Cross multiply
    64,979.10x = 97,461.45 × 53,271.90
  4. Step 4: Simplify right side
    64,979.10x = 5,191,956,618.26
  5. Step 5: Solve for x
    x = 5,191,956,618.26/64,979.10
  6. Step 6: Final answer
    x = 79,901.95

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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.