Home / 52,337.51-78,532.23-20,746.90

Finding the Fourth Proportional to 52,337.51, 78,532.23 and 20,746.90

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Solution

The fourth proportional to 52,337.51, 78,532.23 and 20,746.90 is: 31,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,337.51 : 78,532.23 = 20,746.90 : x
  2. Step 2: Convert to fraction form
    52,337.51/78,532.23 = 20,746.90/x
  3. Step 3: Cross multiply
    52,337.51x = 78,532.23 × 20,746.90
  4. Step 4: Simplify right side
    52,337.51x = 1,629,299,826.19
  5. Step 5: Solve for x
    x = 1,629,299,826.19/52,337.51
  6. Step 6: Final answer
    x = 31,130.64

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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.