Home / 77,707.03-116,118.18-58,346.57

Finding the Fourth Proportional to 77,707.03, 116,118.18 and 58,346.57

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Solution

The fourth proportional to 77,707.03, 116,118.18 and 58,346.57 is: 87,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,707.03 : 116,118.18 = 58,346.57 : x
  2. Step 2: Convert to fraction form
    77,707.03/116,118.18 = 58,346.57/x
  3. Step 3: Cross multiply
    77,707.03x = 116,118.18 × 58,346.57
  4. Step 4: Simplify right side
    77,707.03x = 6,775,097,082.92
  5. Step 5: Solve for x
    x = 6,775,097,082.92/77,707.03
  6. Step 6: Final answer
    x = 87,187.70

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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.