Home / 48,312.40-72,475.80-17,145.04

Finding the Fourth Proportional to 48,312.40, 72,475.80 and 17,145.04

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Solution

The fourth proportional to 48,312.40, 72,475.80 and 17,145.04 is: 25,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.40 : 72,475.80 = 17,145.04 : x
  2. Step 2: Convert to fraction form
    48,312.40/72,475.80 = 17,145.04/x
  3. Step 3: Cross multiply
    48,312.40x = 72,475.80 × 17,145.04
  4. Step 4: Simplify right side
    48,312.40x = 1,242,600,490.03
  5. Step 5: Solve for x
    x = 1,242,600,490.03/48,312.40
  6. Step 6: Final answer
    x = 25,720.12

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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.