Home / 75,296.51-103,891.76-45,070.35

Finding the Fourth Proportional to 75,296.51, 103,891.76 and 45,070.35

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Solution

The fourth proportional to 75,296.51, 103,891.76 and 45,070.35 is: 62,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.51 : 103,891.76 = 45,070.35 : x
  2. Step 2: Convert to fraction form
    75,296.51/103,891.76 = 45,070.35/x
  3. Step 3: Cross multiply
    75,296.51x = 103,891.76 × 45,070.35
  4. Step 4: Simplify right side
    75,296.51x = 4,682,437,985.32
  5. Step 5: Solve for x
    x = 4,682,437,985.32/75,296.51
  6. Step 6: Final answer
    x = 62,186.65

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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.