Home / 105,298.04-145,313.62-57,554.48

Finding the Fourth Proportional to 105,298.04, 145,313.62 and 57,554.48

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Solution

The fourth proportional to 105,298.04, 145,313.62 and 57,554.48 is: 79,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,298.04 : 145,313.62 = 57,554.48 : x
  2. Step 2: Convert to fraction form
    105,298.04/145,313.62 = 57,554.48/x
  3. Step 3: Cross multiply
    105,298.04x = 145,313.62 × 57,554.48
  4. Step 4: Simplify right side
    105,298.04x = 8,363,449,836.02
  5. Step 5: Solve for x
    x = 8,363,449,836.02/105,298.04
  6. Step 6: Final answer
    x = 79,426.45

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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.