Home / 103,686.02-155,527.17-33,565.40

Finding the Fourth Proportional to 103,686.02, 155,527.17 and 33,565.40

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Solution

The fourth proportional to 103,686.02, 155,527.17 and 33,565.40 is: 50,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686.02 : 155,527.17 = 33,565.40 : x
  2. Step 2: Convert to fraction form
    103,686.02/155,527.17 = 33,565.40/x
  3. Step 3: Cross multiply
    103,686.02x = 155,527.17 × 33,565.40
  4. Step 4: Simplify right side
    103,686.02x = 5,220,331,671.92
  5. Step 5: Solve for x
    x = 5,220,331,671.92/103,686.02
  6. Step 6: Final answer
    x = 50,347.50

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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.