Home / 56,240.98-77,608.65-31,088.50

Finding the Fourth Proportional to 56,240.98, 77,608.65 and 31,088.50

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Solution

The fourth proportional to 56,240.98, 77,608.65 and 31,088.50 is: 42,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,240.98 : 77,608.65 = 31,088.50 : x
  2. Step 2: Convert to fraction form
    56,240.98/77,608.65 = 31,088.50/x
  3. Step 3: Cross multiply
    56,240.98x = 77,608.65 × 31,088.50
  4. Step 4: Simplify right side
    56,240.98x = 2,412,736,515.53
  5. Step 5: Solve for x
    x = 2,412,736,515.53/56,240.98
  6. Step 6: Final answer
    x = 42,899.97

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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.