Home / 55,090.08-76,060.92-42,320.52

Finding the Fourth Proportional to 55,090.08, 76,060.92 and 42,320.52

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Solution

The fourth proportional to 55,090.08, 76,060.92 and 42,320.52 is: 58,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090.08 : 76,060.92 = 42,320.52 : x
  2. Step 2: Convert to fraction form
    55,090.08/76,060.92 = 42,320.52/x
  3. Step 3: Cross multiply
    55,090.08x = 76,060.92 × 42,320.52
  4. Step 4: Simplify right side
    55,090.08x = 3,218,937,686.08
  5. Step 5: Solve for x
    x = 3,218,937,686.08/55,090.08
  6. Step 6: Final answer
    x = 58,430.44

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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.