Home / 99,061.44-136,700.64-54,346.56

Finding the Fourth Proportional to 99,061.44, 136,700.64 and 54,346.56

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Solution

The fourth proportional to 99,061.44, 136,700.64 and 54,346.56 is: 74,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,061.44 : 136,700.64 = 54,346.56 : x
  2. Step 2: Convert to fraction form
    99,061.44/136,700.64 = 54,346.56/x
  3. Step 3: Cross multiply
    99,061.44x = 136,700.64 × 54,346.56
  4. Step 4: Simplify right side
    99,061.44x = 7,429,209,533.80
  5. Step 5: Solve for x
    x = 7,429,209,533.80/99,061.44
  6. Step 6: Final answer
    x = 74,995.98

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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.