Home / 100,945.40-151,224.05-56,437.17

Finding the Fourth Proportional to 100,945.40, 151,224.05 and 56,437.17

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Solution

The fourth proportional to 100,945.40, 151,224.05 and 56,437.17 is: 84,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,945.40 : 151,224.05 = 56,437.17 : x
  2. Step 2: Convert to fraction form
    100,945.40/151,224.05 = 56,437.17/x
  3. Step 3: Cross multiply
    100,945.40x = 151,224.05 × 56,437.17
  4. Step 4: Simplify right side
    100,945.40x = 8,534,657,135.75
  5. Step 5: Solve for x
    x = 8,534,657,135.75/100,945.40
  6. Step 6: Final answer
    x = 84,547.27

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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.