Home / 104,063.53-143,607.69-56,316.91

Finding the Fourth Proportional to 104,063.53, 143,607.69 and 56,316.91

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Solution

The fourth proportional to 104,063.53, 143,607.69 and 56,316.91 is: 77,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.53 : 143,607.69 = 56,316.91 : x
  2. Step 2: Convert to fraction form
    104,063.53/143,607.69 = 56,316.91/x
  3. Step 3: Cross multiply
    104,063.53x = 143,607.69 × 56,316.91
  4. Step 4: Simplify right side
    104,063.53x = 8,087,541,353.04
  5. Step 5: Solve for x
    x = 8,087,541,353.04/104,063.53
  6. Step 6: Final answer
    x = 77,717.35

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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.