Home / 93,545.20-140,317.80-56,220.40

Finding the Fourth Proportional to 93,545.20, 140,317.80 and 56,220.40

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Solution

The fourth proportional to 93,545.20, 140,317.80 and 56,220.40 is: 84,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,545.20 : 140,317.80 = 56,220.40 : x
  2. Step 2: Convert to fraction form
    93,545.20/140,317.80 = 56,220.40/x
  3. Step 3: Cross multiply
    93,545.20x = 140,317.80 × 56,220.40
  4. Step 4: Simplify right side
    93,545.20x = 7,888,722,843.12
  5. Step 5: Solve for x
    x = 7,888,722,843.12/93,545.20
  6. Step 6: Final answer
    x = 84,330.60

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1.5x scale

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.