Home / 105,182.70-145,152.92-59,864.13

Finding the Fourth Proportional to 105,182.70, 145,152.92 and 59,864.13

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Solution

The fourth proportional to 105,182.70, 145,152.92 and 59,864.13 is: 82,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,182.70 : 145,152.92 = 59,864.13 : x
  2. Step 2: Convert to fraction form
    105,182.70/145,152.92 = 59,864.13/x
  3. Step 3: Cross multiply
    105,182.70x = 145,152.92 × 59,864.13
  4. Step 4: Simplify right side
    105,182.70x = 8,689,452,973.44
  5. Step 5: Solve for x
    x = 8,689,452,973.44/105,182.70
  6. Step 6: Final answer
    x = 82,612.95

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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.