Home / 77,077.32-115,559.91-52,055.34

Finding the Fourth Proportional to 77,077.32, 115,559.91 and 52,055.34

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Solution

The fourth proportional to 77,077.32, 115,559.91 and 52,055.34 is: 78,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,077.32 : 115,559.91 = 52,055.34 : x
  2. Step 2: Convert to fraction form
    77,077.32/115,559.91 = 52,055.34/x
  3. Step 3: Cross multiply
    77,077.32x = 115,559.91 × 52,055.34
  4. Step 4: Simplify right side
    77,077.32x = 6,015,510,405.42
  5. Step 5: Solve for x
    x = 6,015,510,405.42/77,077.32
  6. Step 6: Final answer
    x = 78,045.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.