Home / 101,011.04-139,364.34-58,561.10

Finding the Fourth Proportional to 101,011.04, 139,364.34 and 58,561.10

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Solution

The fourth proportional to 101,011.04, 139,364.34 and 58,561.10 is: 80,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,011.04 : 139,364.34 = 58,561.10 : x
  2. Step 2: Convert to fraction form
    101,011.04/139,364.34 = 58,561.10/x
  3. Step 3: Cross multiply
    101,011.04x = 139,364.34 × 58,561.10
  4. Step 4: Simplify right side
    101,011.04x = 8,161,329,051.17
  5. Step 5: Solve for x
    x = 8,161,329,051.17/101,011.04
  6. Step 6: Final answer
    x = 80,796.41

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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.