Home / 74,935.72-111,856.91-65,477.13

Finding the Fourth Proportional to 74,935.72, 111,856.91 and 65,477.13

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Solution

The fourth proportional to 74,935.72, 111,856.91 and 65,477.13 is: 97,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935.72 : 111,856.91 = 65,477.13 : x
  2. Step 2: Convert to fraction form
    74,935.72/111,856.91 = 65,477.13/x
  3. Step 3: Cross multiply
    74,935.72x = 111,856.91 × 65,477.13
  4. Step 4: Simplify right side
    74,935.72x = 7,324,069,437.47
  5. Step 5: Solve for x
    x = 7,324,069,437.47/74,935.72
  6. Step 6: Final answer
    x = 97,738.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.