Home / 91,318.48-136,977.77-59,927.13

Finding the Fourth Proportional to 91,318.48, 136,977.77 and 59,927.13

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Solution

The fourth proportional to 91,318.48, 136,977.77 and 59,927.13 is: 89,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,318.48 : 136,977.77 = 59,927.13 : x
  2. Step 2: Convert to fraction form
    91,318.48/136,977.77 = 59,927.13/x
  3. Step 3: Cross multiply
    91,318.48x = 136,977.77 × 59,927.13
  4. Step 4: Simplify right side
    91,318.48x = 8,208,684,629.90
  5. Step 5: Solve for x
    x = 8,208,684,629.90/91,318.48
  6. Step 6: Final answer
    x = 89,890.73

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1.5x scale

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.