Home / 145,057.04-217,539.48-46,538

Finding the Fourth Proportional to 145,057.04, 217,539.48 and 46,538

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Solution

The fourth proportional to 145,057.04, 217,539.48 and 46,538 is: 69,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,057.04 : 217,539.48 = 46,538 : x
  2. Step 2: Convert to fraction form
    145,057.04/217,539.48 = 46,538/x
  3. Step 3: Cross multiply
    145,057.04x = 217,539.48 × 46,538
  4. Step 4: Simplify right side
    145,057.04x = 10,123,852,320.24
  5. Step 5: Solve for x
    x = 10,123,852,320.24/145,057.04
  6. Step 6: Final answer
    x = 69,792.22

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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.