Home / 64,140.05-88,544.39-45,060.36

Finding the Fourth Proportional to 64,140.05, 88,544.39 and 45,060.36

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Solution

The fourth proportional to 64,140.05, 88,544.39 and 45,060.36 is: 62,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.05 : 88,544.39 = 45,060.36 : x
  2. Step 2: Convert to fraction form
    64,140.05/88,544.39 = 45,060.36/x
  3. Step 3: Cross multiply
    64,140.05x = 88,544.39 × 45,060.36
  4. Step 4: Simplify right side
    64,140.05x = 3,989,841,864.08
  5. Step 5: Solve for x
    x = 3,989,841,864.08/64,140.05
  6. Step 6: Final answer
    x = 62,205.16

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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.