Home / 58,511.02-80,744.88-31,653.45

Finding the Fourth Proportional to 58,511.02, 80,744.88 and 31,653.45

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Solution

The fourth proportional to 58,511.02, 80,744.88 and 31,653.45 is: 43,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,511.02 : 80,744.88 = 31,653.45 : x
  2. Step 2: Convert to fraction form
    58,511.02/80,744.88 = 31,653.45/x
  3. Step 3: Cross multiply
    58,511.02x = 80,744.88 × 31,653.45
  4. Step 4: Simplify right side
    58,511.02x = 2,555,854,021.84
  5. Step 5: Solve for x
    x = 2,555,854,021.84/58,511.02
  6. Step 6: Final answer
    x = 43,681.58

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1.5x scale

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.