Home / 124,685.13-172,066.58-70,973.61

Finding the Fourth Proportional to 124,685.13, 172,066.58 and 70,973.61

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Solution

The fourth proportional to 124,685.13, 172,066.58 and 70,973.61 is: 97,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,685.13 : 172,066.58 = 70,973.61 : x
  2. Step 2: Convert to fraction form
    124,685.13/172,066.58 = 70,973.61/x
  3. Step 3: Cross multiply
    124,685.13x = 172,066.58 × 70,973.61
  4. Step 4: Simplify right side
    124,685.13x = 12,212,186,342.95
  5. Step 5: Solve for x
    x = 12,212,186,342.95/124,685.13
  6. Step 6: Final answer
    x = 97,944.21

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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.