Home / 105,931.92-146,211.51-60,636.16

Finding the Fourth Proportional to 105,931.92, 146,211.51 and 60,636.16

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Solution

The fourth proportional to 105,931.92, 146,211.51 and 60,636.16 is: 83,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,931.92 : 146,211.51 = 60,636.16 : x
  2. Step 2: Convert to fraction form
    105,931.92/146,211.51 = 60,636.16/x
  3. Step 3: Cross multiply
    105,931.92x = 146,211.51 × 60,636.16
  4. Step 4: Simplify right side
    105,931.92x = 8,865,704,514.20
  5. Step 5: Solve for x
    x = 8,865,704,514.20/105,931.92
  6. Step 6: Final answer
    x = 83,692.47

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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.