Home / 91,699.10-137,521.98-35,526.68

Finding the Fourth Proportional to 91,699.10, 137,521.98 and 35,526.68

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Solution

The fourth proportional to 91,699.10, 137,521.98 and 35,526.68 is: 53,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,699.10 : 137,521.98 = 35,526.68 : x
  2. Step 2: Convert to fraction form
    91,699.10/137,521.98 = 35,526.68/x
  3. Step 3: Cross multiply
    91,699.10x = 137,521.98 × 35,526.68
  4. Step 4: Simplify right side
    91,699.10x = 4,885,698,688.82
  5. Step 5: Solve for x
    x = 4,885,698,688.82/91,699.10
  6. Step 6: Final answer
    x = 53,279.68

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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.