Home / 104,567.28-144,303.76-56,820.64

Finding the Fourth Proportional to 104,567.28, 144,303.76 and 56,820.64

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Solution

The fourth proportional to 104,567.28, 144,303.76 and 56,820.64 is: 78,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,567.28 : 144,303.76 = 56,820.64 : x
  2. Step 2: Convert to fraction form
    104,567.28/144,303.76 = 56,820.64/x
  3. Step 3: Cross multiply
    104,567.28x = 144,303.76 × 56,820.64
  4. Step 4: Simplify right side
    104,567.28x = 8,199,431,997.61
  5. Step 5: Solve for x
    x = 8,199,431,997.61/104,567.28
  6. Step 6: Final answer
    x = 78,412.98

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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.