Home / 105,775.48-145,945.13-59,836.18

Finding the Fourth Proportional to 105,775.48, 145,945.13 and 59,836.18

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Solution

The fourth proportional to 105,775.48, 145,945.13 and 59,836.18 is: 82,559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,775.48 : 145,945.13 = 59,836.18 : x
  2. Step 2: Convert to fraction form
    105,775.48/145,945.13 = 59,836.18/x
  3. Step 3: Cross multiply
    105,775.48x = 145,945.13 × 59,836.18
  4. Step 4: Simplify right side
    105,775.48x = 8,732,799,068.80
  5. Step 5: Solve for x
    x = 8,732,799,068.80/105,775.48
  6. Step 6: Final answer
    x = 82,559.77

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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.