Home / 105,593.28-145,718.40-57,848.16

Finding the Fourth Proportional to 105,593.28, 145,718.40 and 57,848.16

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Solution

The fourth proportional to 105,593.28, 145,718.40 and 57,848.16 is: 79,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,593.28 : 145,718.40 = 57,848.16 : x
  2. Step 2: Convert to fraction form
    105,593.28/145,718.40 = 57,848.16/x
  3. Step 3: Cross multiply
    105,593.28x = 145,718.40 × 57,848.16
  4. Step 4: Simplify right side
    105,593.28x = 8,429,541,318.14
  5. Step 5: Solve for x
    x = 8,429,541,318.14/105,593.28
  6. Step 6: Final answer
    x = 79,830.28

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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.