Home / 89,880.01-124,030.26-51,612.64

Finding the Fourth Proportional to 89,880.01, 124,030.26 and 51,612.64

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Solution

The fourth proportional to 89,880.01, 124,030.26 and 51,612.64 is: 71,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,880.01 : 124,030.26 = 51,612.64 : x
  2. Step 2: Convert to fraction form
    89,880.01/124,030.26 = 51,612.64/x
  3. Step 3: Cross multiply
    89,880.01x = 124,030.26 × 51,612.64
  4. Step 4: Simplify right side
    89,880.01x = 6,401,529,167.99
  5. Step 5: Solve for x
    x = 6,401,529,167.99/89,880.01
  6. Step 6: Final answer
    x = 71,223.06

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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.