Home / 62,428.48-93,623.24-20,865.76

Finding the Fourth Proportional to 62,428.48, 93,623.24 and 20,865.76

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Solution

The fourth proportional to 62,428.48, 93,623.24 and 20,865.76 is: 31,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,428.48 : 93,623.24 = 20,865.76 : x
  2. Step 2: Convert to fraction form
    62,428.48/93,623.24 = 20,865.76/x
  3. Step 3: Cross multiply
    62,428.48x = 93,623.24 × 20,865.76
  4. Step 4: Simplify right side
    62,428.48x = 1,953,520,056.26
  5. Step 5: Solve for x
    x = 1,953,520,056.26/62,428.48
  6. Step 6: Final answer
    x = 31,292.13

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1.5x scale

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.