Home / 77,708.03-116,119.68-58,347.57

Finding the Fourth Proportional to 77,708.03, 116,119.68 and 58,347.57

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Solution

The fourth proportional to 77,708.03, 116,119.68 and 58,347.57 is: 87,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708.03 : 116,119.68 = 58,347.57 : x
  2. Step 2: Convert to fraction form
    77,708.03/116,119.68 = 58,347.57/x
  3. Step 3: Cross multiply
    77,708.03x = 116,119.68 × 58,347.57
  4. Step 4: Simplify right side
    77,708.03x = 6,775,301,157.18
  5. Step 5: Solve for x
    x = 6,775,301,157.18/77,708.03
  6. Step 6: Final answer
    x = 87,189.20

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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.