Home / 65,113.18-89,858.08-36,818.26

Finding the Fourth Proportional to 65,113.18, 89,858.08 and 36,818.26

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Solution

The fourth proportional to 65,113.18, 89,858.08 and 36,818.26 is: 50,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,113.18 : 89,858.08 = 36,818.26 : x
  2. Step 2: Convert to fraction form
    65,113.18/89,858.08 = 36,818.26/x
  3. Step 3: Cross multiply
    65,113.18x = 89,858.08 × 36,818.26
  4. Step 4: Simplify right side
    65,113.18x = 3,308,418,152.54
  5. Step 5: Solve for x
    x = 3,308,418,152.54/65,113.18
  6. Step 6: Final answer
    x = 50,810.27

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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.