Home / 47,510.64-71,260.50-12,453.06

Finding the Fourth Proportional to 47,510.64, 71,260.50 and 12,453.06

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Solution

The fourth proportional to 47,510.64, 71,260.50 and 12,453.06 is: 18,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,510.64 : 71,260.50 = 12,453.06 : x
  2. Step 2: Convert to fraction form
    47,510.64/71,260.50 = 12,453.06/x
  3. Step 3: Cross multiply
    47,510.64x = 71,260.50 × 12,453.06
  4. Step 4: Simplify right side
    47,510.64x = 887,411,282.13
  5. Step 5: Solve for x
    x = 887,411,282.13/47,510.64
  6. Step 6: Final answer
    x = 18,678.16

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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.