Home / 105,674.48-145,837.56-57,927.95

Finding the Fourth Proportional to 105,674.48, 145,837.56 and 57,927.95

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Solution

The fourth proportional to 105,674.48, 145,837.56 and 57,927.95 is: 79,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,674.48 : 145,837.56 = 57,927.95 : x
  2. Step 2: Convert to fraction form
    105,674.48/145,837.56 = 57,927.95/x
  3. Step 3: Cross multiply
    105,674.48x = 145,837.56 × 57,927.95
  4. Step 4: Simplify right side
    105,674.48x = 8,448,070,154.61
  5. Step 5: Solve for x
    x = 8,448,070,154.61/105,674.48
  6. Step 6: Final answer
    x = 79,944.28

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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.