Home / 101,558.98-140,140.04-56,225.62

Finding the Fourth Proportional to 101,558.98, 140,140.04 and 56,225.62

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Solution

The fourth proportional to 101,558.98, 140,140.04 and 56,225.62 is: 77,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,558.98 : 140,140.04 = 56,225.62 : x
  2. Step 2: Convert to fraction form
    101,558.98/140,140.04 = 56,225.62/x
  3. Step 3: Cross multiply
    101,558.98x = 140,140.04 × 56,225.62
  4. Step 4: Simplify right side
    101,558.98x = 7,879,460,635.82
  5. Step 5: Solve for x
    x = 7,879,460,635.82/101,558.98
  6. Step 6: Final answer
    x = 77,585.07

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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.