Home / 101,535.13-140,113.93-56,209.93

Finding the Fourth Proportional to 101,535.13, 140,113.93 and 56,209.93

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Solution

The fourth proportional to 101,535.13, 140,113.93 and 56,209.93 is: 77,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,535.13 : 140,113.93 = 56,209.93 : x
  2. Step 2: Convert to fraction form
    101,535.13/140,113.93 = 56,209.93/x
  3. Step 3: Cross multiply
    101,535.13x = 140,113.93 × 56,209.93
  4. Step 4: Simplify right side
    101,535.13x = 7,875,794,197.32
  5. Step 5: Solve for x
    x = 7,875,794,197.32/101,535.13
  6. Step 6: Final answer
    x = 77,567.18

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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.