Home / 92,782.17-128,038.82-50,339.79

Finding the Fourth Proportional to 92,782.17, 128,038.82 and 50,339.79

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Solution

The fourth proportional to 92,782.17, 128,038.82 and 50,339.79 is: 69,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,782.17 : 128,038.82 = 50,339.79 : x
  2. Step 2: Convert to fraction form
    92,782.17/128,038.82 = 50,339.79/x
  3. Step 3: Cross multiply
    92,782.17x = 128,038.82 × 50,339.79
  4. Step 4: Simplify right side
    92,782.17x = 6,445,447,058.95
  5. Step 5: Solve for x
    x = 6,445,447,058.95/92,782.17
  6. Step 6: Final answer
    x = 69,468.60

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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.