Home / 56,852.69-78,457.02-31,359.95

Finding the Fourth Proportional to 56,852.69, 78,457.02 and 31,359.95

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Solution

The fourth proportional to 56,852.69, 78,457.02 and 31,359.95 is: 43,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852.69 : 78,457.02 = 31,359.95 : x
  2. Step 2: Convert to fraction form
    56,852.69/78,457.02 = 31,359.95/x
  3. Step 3: Cross multiply
    56,852.69x = 78,457.02 × 31,359.95
  4. Step 4: Simplify right side
    56,852.69x = 2,460,408,224.35
  5. Step 5: Solve for x
    x = 2,460,408,224.35/56,852.69
  6. Step 6: Final answer
    x = 43,276.90

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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.