Home / 105,743.83-145,924.50-59,802.86

Finding the Fourth Proportional to 105,743.83, 145,924.50 and 59,802.86

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Solution

The fourth proportional to 105,743.83, 145,924.50 and 59,802.86 is: 82,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,743.83 : 145,924.50 = 59,802.86 : x
  2. Step 2: Convert to fraction form
    105,743.83/145,924.50 = 59,802.86/x
  3. Step 3: Cross multiply
    105,743.83x = 145,924.50 × 59,802.86
  4. Step 4: Simplify right side
    105,743.83x = 8,726,702,444.07
  5. Step 5: Solve for x
    x = 8,726,702,444.07/105,743.83
  6. Step 6: Final answer
    x = 82,526.82

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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.