Home / 104,066.01-143,612.16-56,320.38

Finding the Fourth Proportional to 104,066.01, 143,612.16 and 56,320.38

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Solution

The fourth proportional to 104,066.01, 143,612.16 and 56,320.38 is: 77,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,066.01 : 143,612.16 = 56,320.38 : x
  2. Step 2: Convert to fraction form
    104,066.01/143,612.16 = 56,320.38/x
  3. Step 3: Cross multiply
    104,066.01x = 143,612.16 × 56,320.38
  4. Step 4: Simplify right side
    104,066.01x = 8,088,291,423.82
  5. Step 5: Solve for x
    x = 8,088,291,423.82/104,066.01
  6. Step 6: Final answer
    x = 77,722.70

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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.