Home / 98,810.51-148,109.47-42,677.02

Finding the Fourth Proportional to 98,810.51, 148,109.47 and 42,677.02

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Solution

The fourth proportional to 98,810.51, 148,109.47 and 42,677.02 is: 63,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,810.51 : 148,109.47 = 42,677.02 : x
  2. Step 2: Convert to fraction form
    98,810.51/148,109.47 = 42,677.02/x
  3. Step 3: Cross multiply
    98,810.51x = 148,109.47 × 42,677.02
  4. Step 4: Simplify right side
    98,810.51x = 6,320,870,813.38
  5. Step 5: Solve for x
    x = 6,320,870,813.38/98,810.51
  6. Step 6: Final answer
    x = 63,969.62

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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.