Home / 108,669.36-149,970.93-60,925.80

Finding the Fourth Proportional to 108,669.36, 149,970.93 and 60,925.80

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Solution

The fourth proportional to 108,669.36, 149,970.93 and 60,925.80 is: 84,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,669.36 : 149,970.93 = 60,925.80 : x
  2. Step 2: Convert to fraction form
    108,669.36/149,970.93 = 60,925.80/x
  3. Step 3: Cross multiply
    108,669.36x = 149,970.93 × 60,925.80
  4. Step 4: Simplify right side
    108,669.36x = 9,137,098,886.99
  5. Step 5: Solve for x
    x = 9,137,098,886.99/108,669.36
  6. Step 6: Final answer
    x = 84,081.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.