Home / 105,774.48-145,943.75-59,835.18

Finding the Fourth Proportional to 105,774.48, 145,943.75 and 59,835.18

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Solution

The fourth proportional to 105,774.48, 145,943.75 and 59,835.18 is: 82,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.48 : 145,943.75 = 59,835.18 : x
  2. Step 2: Convert to fraction form
    105,774.48/145,943.75 = 59,835.18/x
  3. Step 3: Cross multiply
    105,774.48x = 145,943.75 × 59,835.18
  4. Step 4: Simplify right side
    105,774.48x = 8,732,570,669.25
  5. Step 5: Solve for x
    x = 8,732,570,669.25/105,774.48
  6. Step 6: Final answer
    x = 82,558.39

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1.5x scale

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.