Home / 145,707.48-218,616.30-57,024.36

Finding the Fourth Proportional to 145,707.48, 218,616.30 and 57,024.36

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Solution

The fourth proportional to 145,707.48, 218,616.30 and 57,024.36 is: 85,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,707.48 : 218,616.30 = 57,024.36 : x
  2. Step 2: Convert to fraction form
    145,707.48/218,616.30 = 57,024.36/x
  3. Step 3: Cross multiply
    145,707.48x = 218,616.30 × 57,024.36
  4. Step 4: Simplify right side
    145,707.48x = 12,466,454,593.07
  5. Step 5: Solve for x
    x = 12,466,454,593.07/145,707.48
  6. Step 6: Final answer
    x = 85,558.10

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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.