Home / 56,526.75-78,007.91-31,035.51

Finding the Fourth Proportional to 56,526.75, 78,007.91 and 31,035.51

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Solution

The fourth proportional to 56,526.75, 78,007.91 and 31,035.51 is: 42,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.75 : 78,007.91 = 31,035.51 : x
  2. Step 2: Convert to fraction form
    56,526.75/78,007.91 = 31,035.51/x
  3. Step 3: Cross multiply
    56,526.75x = 78,007.91 × 31,035.51
  4. Step 4: Simplify right side
    56,526.75x = 2,421,015,115.71
  5. Step 5: Solve for x
    x = 2,421,015,115.71/56,526.75
  6. Step 6: Final answer
    x = 42,829.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.