Home / 61,135.47-84,370.42-34,276.68

Finding the Fourth Proportional to 61,135.47, 84,370.42 and 34,276.68

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Solution

The fourth proportional to 61,135.47, 84,370.42 and 34,276.68 is: 47,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,135.47 : 84,370.42 = 34,276.68 : x
  2. Step 2: Convert to fraction form
    61,135.47/84,370.42 = 34,276.68/x
  3. Step 3: Cross multiply
    61,135.47x = 84,370.42 × 34,276.68
  4. Step 4: Simplify right side
    61,135.47x = 2,891,937,465.95
  5. Step 5: Solve for x
    x = 2,891,937,465.95/61,135.47
  6. Step 6: Final answer
    x = 47,303.76

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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.