Home / 104,063.12-143,606.60-56,316.40

Finding the Fourth Proportional to 104,063.12, 143,606.60 and 56,316.40

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Solution

The fourth proportional to 104,063.12, 143,606.60 and 56,316.40 is: 77,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.12 : 143,606.60 = 56,316.40 : x
  2. Step 2: Convert to fraction form
    104,063.12/143,606.60 = 56,316.40/x
  3. Step 3: Cross multiply
    104,063.12x = 143,606.60 × 56,316.40
  4. Step 4: Simplify right side
    104,063.12x = 8,087,406,728.24
  5. Step 5: Solve for x
    x = 8,087,406,728.24/104,063.12
  6. Step 6: Final answer
    x = 77,716.36

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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.