Home / 55,887.57-77,124.87-30,737.07

Finding the Fourth Proportional to 55,887.57, 77,124.87 and 30,737.07

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Solution

The fourth proportional to 55,887.57, 77,124.87 and 30,737.07 is: 42,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.57 : 77,124.87 = 30,737.07 : x
  2. Step 2: Convert to fraction form
    55,887.57/77,124.87 = 30,737.07/x
  3. Step 3: Cross multiply
    55,887.57x = 77,124.87 × 30,737.07
  4. Step 4: Simplify right side
    55,887.57x = 2,370,592,527.93
  5. Step 5: Solve for x
    x = 2,370,592,527.93/55,887.57
  6. Step 6: Final answer
    x = 42,417.17

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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.