Home / 105,547.62-145,664.04-60,215.16

Finding the Fourth Proportional to 105,547.62, 145,664.04 and 60,215.16

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Solution

The fourth proportional to 105,547.62, 145,664.04 and 60,215.16 is: 83,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,547.62 : 145,664.04 = 60,215.16 : x
  2. Step 2: Convert to fraction form
    105,547.62/145,664.04 = 60,215.16/x
  3. Step 3: Cross multiply
    105,547.62x = 145,664.04 × 60,215.16
  4. Step 4: Simplify right side
    105,547.62x = 8,771,183,474.85
  5. Step 5: Solve for x
    x = 8,771,183,474.85/105,547.62
  6. Step 6: Final answer
    x = 83,101.67

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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.