Home / 102,119.74-140,904.40-59,670.06

Finding the Fourth Proportional to 102,119.74, 140,904.40 and 59,670.06

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Solution

The fourth proportional to 102,119.74, 140,904.40 and 59,670.06 is: 82,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,119.74 : 140,904.40 = 59,670.06 : x
  2. Step 2: Convert to fraction form
    102,119.74/140,904.40 = 59,670.06/x
  3. Step 3: Cross multiply
    102,119.74x = 140,904.40 × 59,670.06
  4. Step 4: Simplify right side
    102,119.74x = 8,407,774,002.26
  5. Step 5: Solve for x
    x = 8,407,774,002.26/102,119.74
  6. Step 6: Final answer
    x = 82,332.50

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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.