Home / 77,421.95-116,182.25-35,306.23

Finding the Fourth Proportional to 77,421.95, 116,182.25 and 35,306.23

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Solution

The fourth proportional to 77,421.95, 116,182.25 and 35,306.23 is: 52,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,421.95 : 116,182.25 = 35,306.23 : x
  2. Step 2: Convert to fraction form
    77,421.95/116,182.25 = 35,306.23/x
  3. Step 3: Cross multiply
    77,421.95x = 116,182.25 × 35,306.23
  4. Step 4: Simplify right side
    77,421.95x = 4,101,957,123.67
  5. Step 5: Solve for x
    x = 4,101,957,123.67/77,421.95
  6. Step 6: Final answer
    x = 52,981.84

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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.