Home / 56,113.93-77,434.48-30,618.77

Finding the Fourth Proportional to 56,113.93, 77,434.48 and 30,618.77

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Solution

The fourth proportional to 56,113.93, 77,434.48 and 30,618.77 is: 42,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.93 : 77,434.48 = 30,618.77 : x
  2. Step 2: Convert to fraction form
    56,113.93/77,434.48 = 30,618.77/x
  3. Step 3: Cross multiply
    56,113.93x = 77,434.48 × 30,618.77
  4. Step 4: Simplify right side
    56,113.93x = 2,370,948,726.78
  5. Step 5: Solve for x
    x = 2,370,948,726.78/56,113.93
  6. Step 6: Final answer
    x = 42,252.41

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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.