Home / 55,861.23-77,077.47-31,332.83

Finding the Fourth Proportional to 55,861.23, 77,077.47 and 31,332.83

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Solution

The fourth proportional to 55,861.23, 77,077.47 and 31,332.83 is: 43,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,861.23 : 77,077.47 = 31,332.83 : x
  2. Step 2: Convert to fraction form
    55,861.23/77,077.47 = 31,332.83/x
  3. Step 3: Cross multiply
    55,861.23x = 77,077.47 × 31,332.83
  4. Step 4: Simplify right side
    55,861.23x = 2,415,055,264.34
  5. Step 5: Solve for x
    x = 2,415,055,264.34/55,861.23
  6. Step 6: Final answer
    x = 43,233.12

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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.