Home / 103,643.02-143,025.78-60,632.02

Finding the Fourth Proportional to 103,643.02, 143,025.78 and 60,632.02

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Solution

The fourth proportional to 103,643.02, 143,025.78 and 60,632.02 is: 83,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,643.02 : 143,025.78 = 60,632.02 : x
  2. Step 2: Convert to fraction form
    103,643.02/143,025.78 = 60,632.02/x
  3. Step 3: Cross multiply
    103,643.02x = 143,025.78 × 60,632.02
  4. Step 4: Simplify right side
    103,643.02x = 8,671,941,953.48
  5. Step 5: Solve for x
    x = 8,671,941,953.48/103,643.02
  6. Step 6: Final answer
    x = 83,671.26

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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.