Home / 91,637.10-137,412.51-35,503.49

Finding the Fourth Proportional to 91,637.10, 137,412.51 and 35,503.49

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Solution

The fourth proportional to 91,637.10, 137,412.51 and 35,503.49 is: 53,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.10 : 137,412.51 = 35,503.49 : x
  2. Step 2: Convert to fraction form
    91,637.10/137,412.51 = 35,503.49/x
  3. Step 3: Cross multiply
    91,637.10x = 137,412.51 × 35,503.49
  4. Step 4: Simplify right side
    91,637.10x = 4,878,624,018.19
  5. Step 5: Solve for x
    x = 4,878,624,018.19/91,637.10
  6. Step 6: Final answer
    x = 53,238.52

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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.