Home / 96,526.86-144,130.05-86,466.66

Finding the Fourth Proportional to 96,526.86, 144,130.05 and 86,466.66

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Solution

The fourth proportional to 96,526.86, 144,130.05 and 86,466.66 is: 129,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,526.86 : 144,130.05 = 86,466.66 : x
  2. Step 2: Convert to fraction form
    96,526.86/144,130.05 = 86,466.66/x
  3. Step 3: Cross multiply
    96,526.86x = 144,130.05 × 86,466.66
  4. Step 4: Simplify right side
    96,526.86x = 12,462,444,029.13
  5. Step 5: Solve for x
    x = 12,462,444,029.13/96,526.86
  6. Step 6: Final answer
    x = 129,108.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.