Home / 75,723.12-104,498.06-45,508.91

Finding the Fourth Proportional to 75,723.12, 104,498.06 and 45,508.91

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Solution

The fourth proportional to 75,723.12, 104,498.06 and 45,508.91 is: 62,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,723.12 : 104,498.06 = 45,508.91 : x
  2. Step 2: Convert to fraction form
    75,723.12/104,498.06 = 45,508.91/x
  3. Step 3: Cross multiply
    75,723.12x = 104,498.06 × 45,508.91
  4. Step 4: Simplify right side
    75,723.12x = 4,755,592,807.71
  5. Step 5: Solve for x
    x = 4,755,592,807.71/75,723.12
  6. Step 6: Final answer
    x = 62,802.39

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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.