Home / 65,056.16-97,582.90-20,683

Finding the Fourth Proportional to 65,056.16, 97,582.90 and 20,683

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Solution

The fourth proportional to 65,056.16, 97,582.90 and 20,683 is: 31,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,056.16 : 97,582.90 = 20,683 : x
  2. Step 2: Convert to fraction form
    65,056.16/97,582.90 = 20,683/x
  3. Step 3: Cross multiply
    65,056.16x = 97,582.90 × 20,683
  4. Step 4: Simplify right side
    65,056.16x = 2,018,307,120.70
  5. Step 5: Solve for x
    x = 2,018,307,120.70/65,056.16
  6. Step 6: Final answer
    x = 31,024.07

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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.