Home / 101,545.04-140,133.24-56,223.72

Finding the Fourth Proportional to 101,545.04, 140,133.24 and 56,223.72

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Solution

The fourth proportional to 101,545.04, 140,133.24 and 56,223.72 is: 77,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,545.04 : 140,133.24 = 56,223.72 : x
  2. Step 2: Convert to fraction form
    101,545.04/140,133.24 = 56,223.72/x
  3. Step 3: Cross multiply
    101,545.04x = 140,133.24 × 56,223.72
  4. Step 4: Simplify right side
    101,545.04x = 7,878,812,048.45
  5. Step 5: Solve for x
    x = 7,878,812,048.45/101,545.04
  6. Step 6: Final answer
    x = 77,589.33

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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.