Home / 103,543.02-155,470.05-59,219.82

Finding the Fourth Proportional to 103,543.02, 155,470.05 and 59,219.82

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Solution

The fourth proportional to 103,543.02, 155,470.05 and 59,219.82 is: 88,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,543.02 : 155,470.05 = 59,219.82 : x
  2. Step 2: Convert to fraction form
    103,543.02/155,470.05 = 59,219.82/x
  3. Step 3: Cross multiply
    103,543.02x = 155,470.05 × 59,219.82
  4. Step 4: Simplify right side
    103,543.02x = 9,206,908,376.39
  5. Step 5: Solve for x
    x = 9,206,908,376.39/103,543.02
  6. Step 6: Final answer
    x = 88,918.68

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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.