Home / 108,688.16-149,987.76-60,941.36

Finding the Fourth Proportional to 108,688.16, 149,987.76 and 60,941.36

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Solution

The fourth proportional to 108,688.16, 149,987.76 and 60,941.36 is: 84,098.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,688.16 : 149,987.76 = 60,941.36 : x
  2. Step 2: Convert to fraction form
    108,688.16/149,987.76 = 60,941.36/x
  3. Step 3: Cross multiply
    108,688.16x = 149,987.76 × 60,941.36
  4. Step 4: Simplify right side
    108,688.16x = 9,140,458,077.75
  5. Step 5: Solve for x
    x = 9,140,458,077.75/108,688.16
  6. Step 6: Final answer
    x = 84,098.01

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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.