Home / 70,240.05-105,268.14-61,332.93

Finding the Fourth Proportional to 70,240.05, 105,268.14 and 61,332.93

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Solution

The fourth proportional to 70,240.05, 105,268.14 and 61,332.93 is: 91,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240.05 : 105,268.14 = 61,332.93 : x
  2. Step 2: Convert to fraction form
    70,240.05/105,268.14 = 61,332.93/x
  3. Step 3: Cross multiply
    70,240.05x = 105,268.14 × 61,332.93
  4. Step 4: Simplify right side
    70,240.05x = 6,456,403,461.85
  5. Step 5: Solve for x
    x = 6,456,403,461.85/70,240.05
  6. Step 6: Final answer
    x = 91,919.12

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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.