Home / 98,542.17-147,814.07-42,378.39

Finding the Fourth Proportional to 98,542.17, 147,814.07 and 42,378.39

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Solution

The fourth proportional to 98,542.17, 147,814.07 and 42,378.39 is: 63,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,542.17 : 147,814.07 = 42,378.39 : x
  2. Step 2: Convert to fraction form
    98,542.17/147,814.07 = 42,378.39/x
  3. Step 3: Cross multiply
    98,542.17x = 147,814.07 × 42,378.39
  4. Step 4: Simplify right side
    98,542.17x = 6,264,122,094.06
  5. Step 5: Solve for x
    x = 6,264,122,094.06/98,542.17
  6. Step 6: Final answer
    x = 63,567.93

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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.