Home / 57,298.69-79,070.95-31,803.56

Finding the Fourth Proportional to 57,298.69, 79,070.95 and 31,803.56

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Solution

The fourth proportional to 57,298.69, 79,070.95 and 31,803.56 is: 43,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.69 : 79,070.95 = 31,803.56 : x
  2. Step 2: Convert to fraction form
    57,298.69/79,070.95 = 31,803.56/x
  3. Step 3: Cross multiply
    57,298.69x = 79,070.95 × 31,803.56
  4. Step 4: Simplify right side
    57,298.69x = 2,514,737,702.58
  5. Step 5: Solve for x
    x = 2,514,737,702.58/57,298.69
  6. Step 6: Final answer
    x = 43,888.22

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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.