Home / 42,155.16-63,193.14-14,433.72

Finding the Fourth Proportional to 42,155.16, 63,193.14 and 14,433.72

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Solution

The fourth proportional to 42,155.16, 63,193.14 and 14,433.72 is: 21,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,155.16 : 63,193.14 = 14,433.72 : x
  2. Step 2: Convert to fraction form
    42,155.16/63,193.14 = 14,433.72/x
  3. Step 3: Cross multiply
    42,155.16x = 63,193.14 × 14,433.72
  4. Step 4: Simplify right side
    42,155.16x = 912,112,088.68
  5. Step 5: Solve for x
    x = 912,112,088.68/42,155.16
  6. Step 6: Final answer
    x = 21,637.02

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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.