Home / 104,117.02-143,681.58-56,370.40

Finding the Fourth Proportional to 104,117.02, 143,681.58 and 56,370.40

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Solution

The fourth proportional to 104,117.02, 143,681.58 and 56,370.40 is: 77,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,117.02 : 143,681.58 = 56,370.40 : x
  2. Step 2: Convert to fraction form
    104,117.02/143,681.58 = 56,370.40/x
  3. Step 3: Cross multiply
    104,117.02x = 143,681.58 × 56,370.40
  4. Step 4: Simplify right side
    104,117.02x = 8,099,388,137.23
  5. Step 5: Solve for x
    x = 8,099,388,137.23/104,117.02
  6. Step 6: Final answer
    x = 77,791.20

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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.