Home / 55,988.70-77,263.25-30,495.36

Finding the Fourth Proportional to 55,988.70, 77,263.25 and 30,495.36

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Solution

The fourth proportional to 55,988.70, 77,263.25 and 30,495.36 is: 42,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.70 : 77,263.25 = 30,495.36 : x
  2. Step 2: Convert to fraction form
    55,988.70/77,263.25 = 30,495.36/x
  3. Step 3: Cross multiply
    55,988.70x = 77,263.25 × 30,495.36
  4. Step 4: Simplify right side
    55,988.70x = 2,356,170,471.04
  5. Step 5: Solve for x
    x = 2,356,170,471.04/55,988.70
  6. Step 6: Final answer
    x = 42,082.96

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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.