Home / 45,574.02-68,363.04-13,981.74

Finding the Fourth Proportional to 45,574.02, 68,363.04 and 13,981.74

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Solution

The fourth proportional to 45,574.02, 68,363.04 and 13,981.74 is: 20,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,574.02 : 68,363.04 = 13,981.74 : x
  2. Step 2: Convert to fraction form
    45,574.02/68,363.04 = 13,981.74/x
  3. Step 3: Cross multiply
    45,574.02x = 68,363.04 × 13,981.74
  4. Step 4: Simplify right side
    45,574.02x = 955,834,250.89
  5. Step 5: Solve for x
    x = 955,834,250.89/45,574.02
  6. Step 6: Final answer
    x = 20,973.23

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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.