Home / 84,455.37-126,507.56-40,117.05

Finding the Fourth Proportional to 84,455.37, 126,507.56 and 40,117.05

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Solution

The fourth proportional to 84,455.37, 126,507.56 and 40,117.05 is: 60,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455.37 : 126,507.56 = 40,117.05 : x
  2. Step 2: Convert to fraction form
    84,455.37/126,507.56 = 40,117.05/x
  3. Step 3: Cross multiply
    84,455.37x = 126,507.56 × 40,117.05
  4. Step 4: Simplify right side
    84,455.37x = 5,075,109,909.31
  5. Step 5: Solve for x
    x = 5,075,109,909.31/84,455.37
  6. Step 6: Final answer
    x = 60,092.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.