Home / 64,901.05-89,555.81-37,670.85

Finding the Fourth Proportional to 64,901.05, 89,555.81 and 37,670.85

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Solution

The fourth proportional to 64,901.05, 89,555.81 and 37,670.85 is: 51,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,901.05 : 89,555.81 = 37,670.85 : x
  2. Step 2: Convert to fraction form
    64,901.05/89,555.81 = 37,670.85/x
  3. Step 3: Cross multiply
    64,901.05x = 89,555.81 × 37,670.85
  4. Step 4: Simplify right side
    64,901.05x = 3,373,643,296.78
  5. Step 5: Solve for x
    x = 3,373,643,296.78/64,901.05
  6. Step 6: Final answer
    x = 51,981.34

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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.