Home / 107,056.40-147,739.02-59,310.52

Finding the Fourth Proportional to 107,056.40, 147,739.02 and 59,310.52

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Solution

The fourth proportional to 107,056.40, 147,739.02 and 59,310.52 is: 81,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,056.40 : 147,739.02 = 59,310.52 : x
  2. Step 2: Convert to fraction form
    107,056.40/147,739.02 = 59,310.52/x
  3. Step 3: Cross multiply
    107,056.40x = 147,739.02 × 59,310.52
  4. Step 4: Simplify right side
    107,056.40x = 8,762,478,100.49
  5. Step 5: Solve for x
    x = 8,762,478,100.49/107,056.40
  6. Step 6: Final answer
    x = 81,849.18

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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.