Home / 75,320.74-112,851.51-53,094.34

Finding the Fourth Proportional to 75,320.74, 112,851.51 and 53,094.34

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Solution

The fourth proportional to 75,320.74, 112,851.51 and 53,094.34 is: 79,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.74 : 112,851.51 = 53,094.34 : x
  2. Step 2: Convert to fraction form
    75,320.74/112,851.51 = 53,094.34/x
  3. Step 3: Cross multiply
    75,320.74x = 112,851.51 × 53,094.34
  4. Step 4: Simplify right side
    75,320.74x = 5,991,776,441.45
  5. Step 5: Solve for x
    x = 5,991,776,441.45/75,320.74
  6. Step 6: Final answer
    x = 79,550.15

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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.