Home / 77,017.44-115,390.08-53,598.72

Finding the Fourth Proportional to 77,017.44, 115,390.08 and 53,598.72

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Solution

The fourth proportional to 77,017.44, 115,390.08 and 53,598.72 is: 80,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017.44 : 115,390.08 = 53,598.72 : x
  2. Step 2: Convert to fraction form
    77,017.44/115,390.08 = 53,598.72/x
  3. Step 3: Cross multiply
    77,017.44x = 115,390.08 × 53,598.72
  4. Step 4: Simplify right side
    77,017.44x = 6,184,760,588.70
  5. Step 5: Solve for x
    x = 6,184,760,588.70/77,017.44
  6. Step 6: Final answer
    x = 80,303.38

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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.