Home / 64,155.80-95,739.10-56,381.36

Finding the Fourth Proportional to 64,155.80, 95,739.10 and 56,381.36

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Solution

The fourth proportional to 64,155.80, 95,739.10 and 56,381.36 is: 84,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.80 : 95,739.10 = 56,381.36 : x
  2. Step 2: Convert to fraction form
    64,155.80/95,739.10 = 56,381.36/x
  3. Step 3: Cross multiply
    64,155.80x = 95,739.10 × 56,381.36
  4. Step 4: Simplify right side
    64,155.80x = 5,397,900,663.18
  5. Step 5: Solve for x
    x = 5,397,900,663.18/64,155.80
  6. Step 6: Final answer
    x = 84,137.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.