Home / 64,366.36-88,732.48-45,187.72

Finding the Fourth Proportional to 64,366.36, 88,732.48 and 45,187.72

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Solution

The fourth proportional to 64,366.36, 88,732.48 and 45,187.72 is: 62,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,366.36 : 88,732.48 = 45,187.72 : x
  2. Step 2: Convert to fraction form
    64,366.36/88,732.48 = 45,187.72/x
  3. Step 3: Cross multiply
    64,366.36x = 88,732.48 × 45,187.72
  4. Step 4: Simplify right side
    64,366.36x = 4,009,618,461.15
  5. Step 5: Solve for x
    x = 4,009,618,461.15/64,366.36
  6. Step 6: Final answer
    x = 62,293.70

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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.