Home / 105,574.43-145,695.08-60,251.51

Finding the Fourth Proportional to 105,574.43, 145,695.08 and 60,251.51

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Solution

The fourth proportional to 105,574.43, 145,695.08 and 60,251.51 is: 83,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,574.43 : 145,695.08 = 60,251.51 : x
  2. Step 2: Convert to fraction form
    105,574.43/145,695.08 = 60,251.51/x
  3. Step 3: Cross multiply
    105,574.43x = 145,695.08 × 60,251.51
  4. Step 4: Simplify right side
    105,574.43x = 8,778,348,569.57
  5. Step 5: Solve for x
    x = 8,778,348,569.57/105,574.43
  6. Step 6: Final answer
    x = 83,148.43

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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.