Home / 64,872.03-89,574.08-50,765.07

Finding the Fourth Proportional to 64,872.03, 89,574.08 and 50,765.07

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Solution

The fourth proportional to 64,872.03, 89,574.08 and 50,765.07 is: 70,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,872.03 : 89,574.08 = 50,765.07 : x
  2. Step 2: Convert to fraction form
    64,872.03/89,574.08 = 50,765.07/x
  3. Step 3: Cross multiply
    64,872.03x = 89,574.08 × 50,765.07
  4. Step 4: Simplify right side
    64,872.03x = 4,547,234,187.56
  5. Step 5: Solve for x
    x = 4,547,234,187.56/64,872.03
  6. Step 6: Final answer
    x = 70,095.45

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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.