Home / 56,761.13-85,088.76-19,295.60

Finding the Fourth Proportional to 56,761.13, 85,088.76 and 19,295.60

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Solution

The fourth proportional to 56,761.13, 85,088.76 and 19,295.60 is: 28,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,761.13 : 85,088.76 = 19,295.60 : x
  2. Step 2: Convert to fraction form
    56,761.13/85,088.76 = 19,295.60/x
  3. Step 3: Cross multiply
    56,761.13x = 85,088.76 × 19,295.60
  4. Step 4: Simplify right side
    56,761.13x = 1,641,838,252.01
  5. Step 5: Solve for x
    x = 1,641,838,252.01/56,761.13
  6. Step 6: Final answer
    x = 28,925.40

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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.