Home / 56,070.88-77,373.91-31,545.39

Finding the Fourth Proportional to 56,070.88, 77,373.91 and 31,545.39

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Solution

The fourth proportional to 56,070.88, 77,373.91 and 31,545.39 is: 43,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,070.88 : 77,373.91 = 31,545.39 : x
  2. Step 2: Convert to fraction form
    56,070.88/77,373.91 = 31,545.39/x
  3. Step 3: Cross multiply
    56,070.88x = 77,373.91 × 31,545.39
  4. Step 4: Simplify right side
    56,070.88x = 2,440,790,166.77
  5. Step 5: Solve for x
    x = 2,440,790,166.77/56,070.88
  6. Step 6: Final answer
    x = 43,530.44

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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.