Home / 98,510.49-147,776.70-42,356.28

Finding the Fourth Proportional to 98,510.49, 147,776.70 and 42,356.28

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Solution

The fourth proportional to 98,510.49, 147,776.70 and 42,356.28 is: 63,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,510.49 : 147,776.70 = 42,356.28 : x
  2. Step 2: Convert to fraction form
    98,510.49/147,776.70 = 42,356.28/x
  3. Step 3: Cross multiply
    98,510.49x = 147,776.70 × 42,356.28
  4. Step 4: Simplify right side
    98,510.49x = 6,259,271,282.68
  5. Step 5: Solve for x
    x = 6,259,271,282.68/98,510.49
  6. Step 6: Final answer
    x = 63,539.13

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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.