Home / 64,400.50-88,842.45-45,548.02

Finding the Fourth Proportional to 64,400.50, 88,842.45 and 45,548.02

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Solution

The fourth proportional to 64,400.50, 88,842.45 and 45,548.02 is: 62,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.50 : 88,842.45 = 45,548.02 : x
  2. Step 2: Convert to fraction form
    64,400.50/88,842.45 = 45,548.02/x
  3. Step 3: Cross multiply
    64,400.50x = 88,842.45 × 45,548.02
  4. Step 4: Simplify right side
    64,400.50x = 4,046,597,689.45
  5. Step 5: Solve for x
    x = 4,046,597,689.45/64,400.50
  6. Step 6: Final answer
    x = 62,834.88

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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.