Home / 77,923.79-107,484.96-54,041.75

Finding the Fourth Proportional to 77,923.79, 107,484.96 and 54,041.75

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Solution

The fourth proportional to 77,923.79, 107,484.96 and 54,041.75 is: 74,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,923.79 : 107,484.96 = 54,041.75 : x
  2. Step 2: Convert to fraction form
    77,923.79/107,484.96 = 54,041.75/x
  3. Step 3: Cross multiply
    77,923.79x = 107,484.96 × 54,041.75
  4. Step 4: Simplify right side
    77,923.79x = 5,808,674,529.45
  5. Step 5: Solve for x
    x = 5,808,674,529.45/77,923.79
  6. Step 6: Final answer
    x = 74,543.02

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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.