Home / 55,845.18-77,035.12-34,319.95

Finding the Fourth Proportional to 55,845.18, 77,035.12 and 34,319.95

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Solution

The fourth proportional to 55,845.18, 77,035.12 and 34,319.95 is: 47,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.18 : 77,035.12 = 34,319.95 : x
  2. Step 2: Convert to fraction form
    55,845.18/77,035.12 = 34,319.95/x
  3. Step 3: Cross multiply
    55,845.18x = 77,035.12 × 34,319.95
  4. Step 4: Simplify right side
    55,845.18x = 2,643,841,188.26
  5. Step 5: Solve for x
    x = 2,643,841,188.26/55,845.18
  6. Step 6: Final answer
    x = 47,342.33

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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.