Home / 77,497.95-116,319.69-38,083.35

Finding the Fourth Proportional to 77,497.95, 116,319.69 and 38,083.35

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Solution

The fourth proportional to 77,497.95, 116,319.69 and 38,083.35 is: 57,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,497.95 : 116,319.69 = 38,083.35 : x
  2. Step 2: Convert to fraction form
    77,497.95/116,319.69 = 38,083.35/x
  3. Step 3: Cross multiply
    77,497.95x = 116,319.69 × 38,083.35
  4. Step 4: Simplify right side
    77,497.95x = 4,429,843,466.16
  5. Step 5: Solve for x
    x = 4,429,843,466.16/77,497.95
  6. Step 6: Final answer
    x = 57,160.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.