Home / 103,688.64-155,283.81-59,180.46

Finding the Fourth Proportional to 103,688.64, 155,283.81 and 59,180.46

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Solution

The fourth proportional to 103,688.64, 155,283.81 and 59,180.46 is: 88,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688.64 : 155,283.81 = 59,180.46 : x
  2. Step 2: Convert to fraction form
    103,688.64/155,283.81 = 59,180.46/x
  3. Step 3: Cross multiply
    103,688.64x = 155,283.81 × 59,180.46
  4. Step 4: Simplify right side
    103,688.64x = 9,189,767,306.35
  5. Step 5: Solve for x
    x = 9,189,767,306.35/103,688.64
  6. Step 6: Final answer
    x = 88,628.49

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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.