Home / 104,680.16-144,459.36-56,935.04

Finding the Fourth Proportional to 104,680.16, 144,459.36 and 56,935.04

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Solution

The fourth proportional to 104,680.16, 144,459.36 and 56,935.04 is: 78,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,680.16 : 144,459.36 = 56,935.04 : x
  2. Step 2: Convert to fraction form
    104,680.16/144,459.36 = 56,935.04/x
  3. Step 3: Cross multiply
    104,680.16x = 144,459.36 × 56,935.04
  4. Step 4: Simplify right side
    104,680.16x = 8,224,799,439.97
  5. Step 5: Solve for x
    x = 8,224,799,439.97/104,680.16
  6. Step 6: Final answer
    x = 78,570.76

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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.