Home / 45,801.55-68,712.14-14,210.93

Finding the Fourth Proportional to 45,801.55, 68,712.14 and 14,210.93

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Solution

The fourth proportional to 45,801.55, 68,712.14 and 14,210.93 is: 21,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.55 : 68,712.14 = 14,210.93 : x
  2. Step 2: Convert to fraction form
    45,801.55/68,712.14 = 14,210.93/x
  3. Step 3: Cross multiply
    45,801.55x = 68,712.14 × 14,210.93
  4. Step 4: Simplify right side
    45,801.55x = 976,463,411.69
  5. Step 5: Solve for x
    x = 976,463,411.69/45,801.55
  6. Step 6: Final answer
    x = 21,319.44

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1.5x scale

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.