Home / 102,558.42-153,838.85-36,000.45

Finding the Fourth Proportional to 102,558.42, 153,838.85 and 36,000.45

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Solution

The fourth proportional to 102,558.42, 153,838.85 and 36,000.45 is: 54,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,558.42 : 153,838.85 = 36,000.45 : x
  2. Step 2: Convert to fraction form
    102,558.42/153,838.85 = 36,000.45/x
  3. Step 3: Cross multiply
    102,558.42x = 153,838.85 × 36,000.45
  4. Step 4: Simplify right side
    102,558.42x = 5,538,267,647.48
  5. Step 5: Solve for x
    x = 5,538,267,647.48/102,558.42
  6. Step 6: Final answer
    x = 54,001.10

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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.