Home / 104,663.05-144,436.16-56,916.39

Finding the Fourth Proportional to 104,663.05, 144,436.16 and 56,916.39

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Solution

The fourth proportional to 104,663.05, 144,436.16 and 56,916.39 is: 78,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,663.05 : 144,436.16 = 56,916.39 : x
  2. Step 2: Convert to fraction form
    104,663.05/144,436.16 = 56,916.39/x
  3. Step 3: Cross multiply
    104,663.05x = 144,436.16 × 56,916.39
  4. Step 4: Simplify right side
    104,663.05x = 8,220,784,812.66
  5. Step 5: Solve for x
    x = 8,220,784,812.66/104,663.05
  6. Step 6: Final answer
    x = 78,545.24

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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.