Home / 91,875.87-126,800.44-56,058.28

Finding the Fourth Proportional to 91,875.87, 126,800.44 and 56,058.28

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Solution

The fourth proportional to 91,875.87, 126,800.44 and 56,058.28 is: 77,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875.87 : 126,800.44 = 56,058.28 : x
  2. Step 2: Convert to fraction form
    91,875.87/126,800.44 = 56,058.28/x
  3. Step 3: Cross multiply
    91,875.87x = 126,800.44 × 56,058.28
  4. Step 4: Simplify right side
    91,875.87x = 7,108,214,112.50
  5. Step 5: Solve for x
    x = 7,108,214,112.50/91,875.87
  6. Step 6: Final answer
    x = 77,367.58

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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.