Home / 103,526.48-155,486.57-64,357.31

Finding the Fourth Proportional to 103,526.48, 155,486.57 and 64,357.31

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Solution

The fourth proportional to 103,526.48, 155,486.57 and 64,357.31 is: 96,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526.48 : 155,486.57 = 64,357.31 : x
  2. Step 2: Convert to fraction form
    103,526.48/155,486.57 = 64,357.31/x
  3. Step 3: Cross multiply
    103,526.48x = 155,486.57 × 64,357.31
  4. Step 4: Simplify right side
    103,526.48x = 10,006,697,453.26
  5. Step 5: Solve for x
    x = 10,006,697,453.26/103,526.48
  6. Step 6: Final answer
    x = 96,658.34

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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.