Home / 56,317.29-84,386.98-45,735.81

Finding the Fourth Proportional to 56,317.29, 84,386.98 and 45,735.81

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Solution

The fourth proportional to 56,317.29, 84,386.98 and 45,735.81 is: 68,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,317.29 : 84,386.98 = 45,735.81 : x
  2. Step 2: Convert to fraction form
    56,317.29/84,386.98 = 45,735.81/x
  3. Step 3: Cross multiply
    56,317.29x = 84,386.98 × 45,735.81
  4. Step 4: Simplify right side
    56,317.29x = 3,859,506,624.47
  5. Step 5: Solve for x
    x = 3,859,506,624.47/56,317.29
  6. Step 6: Final answer
    x = 68,531.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.