Home / 72,533.42-100,159.94-45,356.05

Finding the Fourth Proportional to 72,533.42, 100,159.94 and 45,356.05

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Solution

The fourth proportional to 72,533.42, 100,159.94 and 45,356.05 is: 62,631.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,533.42 : 100,159.94 = 45,356.05 : x
  2. Step 2: Convert to fraction form
    72,533.42/100,159.94 = 45,356.05/x
  3. Step 3: Cross multiply
    72,533.42x = 100,159.94 × 45,356.05
  4. Step 4: Simplify right side
    72,533.42x = 4,542,859,485.23
  5. Step 5: Solve for x
    x = 4,542,859,485.23/72,533.42
  6. Step 6: Final answer
    x = 62,631.26

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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.