Home / 47,320.96-64,829-45,548.32

Finding the Fourth Proportional to 47,320.96, 64,829 and 45,548.32

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Solution

The fourth proportional to 47,320.96, 64,829 and 45,548.32 is: 62,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320.96 : 64,829 = 45,548.32 : x
  2. Step 2: Convert to fraction form
    47,320.96/64,829 = 45,548.32/x
  3. Step 3: Cross multiply
    47,320.96x = 64,829 × 45,548.32
  4. Step 4: Simplify right side
    47,320.96x = 2,952,852,037.28
  5. Step 5: Solve for x
    x = 2,952,852,037.28/47,320.96
  6. Step 6: Final answer
    x = 62,400.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.