Home / 97,111.48-145,681.56-49,753.36

Finding the Fourth Proportional to 97,111.48, 145,681.56 and 49,753.36

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Solution

The fourth proportional to 97,111.48, 145,681.56 and 49,753.36 is: 74,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,111.48 : 145,681.56 = 49,753.36 : x
  2. Step 2: Convert to fraction form
    97,111.48/145,681.56 = 49,753.36/x
  3. Step 3: Cross multiply
    97,111.48x = 145,681.56 × 49,753.36
  4. Step 4: Simplify right side
    97,111.48x = 7,248,147,100.04
  5. Step 5: Solve for x
    x = 7,248,147,100.04/97,111.48
  6. Step 6: Final answer
    x = 74,637.39

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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.