Home / 69,655.02-96,125.91-40,976.79

Finding the Fourth Proportional to 69,655.02, 96,125.91 and 40,976.79

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Solution

The fourth proportional to 69,655.02, 96,125.91 and 40,976.79 is: 56,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,655.02 : 96,125.91 = 40,976.79 : x
  2. Step 2: Convert to fraction form
    69,655.02/96,125.91 = 40,976.79/x
  3. Step 3: Cross multiply
    69,655.02x = 96,125.91 × 40,976.79
  4. Step 4: Simplify right side
    69,655.02x = 3,938,931,227.63
  5. Step 5: Solve for x
    x = 3,938,931,227.63/69,655.02
  6. Step 6: Final answer
    x = 56,549.14

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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.