Home / 103,699.32-155,403.18-59,259.48

Finding the Fourth Proportional to 103,699.32, 155,403.18 and 59,259.48

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Solution

The fourth proportional to 103,699.32, 155,403.18 and 59,259.48 is: 88,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699.32 : 155,403.18 = 59,259.48 : x
  2. Step 2: Convert to fraction form
    103,699.32/155,403.18 = 59,259.48/x
  3. Step 3: Cross multiply
    103,699.32x = 155,403.18 × 59,259.48
  4. Step 4: Simplify right side
    103,699.32x = 9,209,111,637.15
  5. Step 5: Solve for x
    x = 9,209,111,637.15/103,699.32
  6. Step 6: Final answer
    x = 88,805.90

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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.