Home / 108,345.09-149,516.63-60,595.40

Finding the Fourth Proportional to 108,345.09, 149,516.63 and 60,595.40

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Solution

The fourth proportional to 108,345.09, 149,516.63 and 60,595.40 is: 83,621.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,345.09 : 149,516.63 = 60,595.40 : x
  2. Step 2: Convert to fraction form
    108,345.09/149,516.63 = 60,595.40/x
  3. Step 3: Cross multiply
    108,345.09x = 149,516.63 × 60,595.40
  4. Step 4: Simplify right side
    108,345.09x = 9,060,018,950.94
  5. Step 5: Solve for x
    x = 9,060,018,950.94/108,345.09
  6. Step 6: Final answer
    x = 83,621.87

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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.