Home / 65,123.04-89,874.63-36,445.58

Finding the Fourth Proportional to 65,123.04, 89,874.63 and 36,445.58

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Solution

The fourth proportional to 65,123.04, 89,874.63 and 36,445.58 is: 50,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123.04 : 89,874.63 = 36,445.58 : x
  2. Step 2: Convert to fraction form
    65,123.04/89,874.63 = 36,445.58/x
  3. Step 3: Cross multiply
    65,123.04x = 89,874.63 × 36,445.58
  4. Step 4: Simplify right side
    65,123.04x = 3,275,532,905.29
  5. Step 5: Solve for x
    x = 3,275,532,905.29/65,123.04
  6. Step 6: Final answer
    x = 50,297.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.