Home / 60,665.02-91,038.53-21,222.47

Finding the Fourth Proportional to 60,665.02, 91,038.53 and 21,222.47

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Solution

The fourth proportional to 60,665.02, 91,038.53 and 21,222.47 is: 31,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,665.02 : 91,038.53 = 21,222.47 : x
  2. Step 2: Convert to fraction form
    60,665.02/91,038.53 = 21,222.47/x
  3. Step 3: Cross multiply
    60,665.02x = 91,038.53 × 21,222.47
  4. Step 4: Simplify right side
    60,665.02x = 1,932,062,752.42
  5. Step 5: Solve for x
    x = 1,932,062,752.42/60,665.02
  6. Step 6: Final answer
    x = 31,848.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.