Home / 101,706.48-140,353.12-56,384.24

Finding the Fourth Proportional to 101,706.48, 140,353.12 and 56,384.24

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Solution

The fourth proportional to 101,706.48, 140,353.12 and 56,384.24 is: 77,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,706.48 : 140,353.12 = 56,384.24 : x
  2. Step 2: Convert to fraction form
    101,706.48/140,353.12 = 56,384.24/x
  3. Step 3: Cross multiply
    101,706.48x = 140,353.12 × 56,384.24
  4. Step 4: Simplify right side
    101,706.48x = 7,913,704,002.83
  5. Step 5: Solve for x
    x = 7,913,704,002.83/101,706.48
  6. Step 6: Final answer
    x = 77,809.24

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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.