Home / 55,989.08-77,259.16-34,475.40

Finding the Fourth Proportional to 55,989.08, 77,259.16 and 34,475.40

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Solution

The fourth proportional to 55,989.08, 77,259.16 and 34,475.40 is: 47,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.08 : 77,259.16 = 34,475.40 : x
  2. Step 2: Convert to fraction form
    55,989.08/77,259.16 = 34,475.40/x
  3. Step 3: Cross multiply
    55,989.08x = 77,259.16 × 34,475.40
  4. Step 4: Simplify right side
    55,989.08x = 2,663,540,444.66
  5. Step 5: Solve for x
    x = 2,663,540,444.66/55,989.08
  6. Step 6: Final answer
    x = 47,572.50

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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.