Home / 94,117.21-129,942.53-58,345.45

Finding the Fourth Proportional to 94,117.21, 129,942.53 and 58,345.45

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Solution

The fourth proportional to 94,117.21, 129,942.53 and 58,345.45 is: 80,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,117.21 : 129,942.53 = 58,345.45 : x
  2. Step 2: Convert to fraction form
    94,117.21/129,942.53 = 58,345.45/x
  3. Step 3: Cross multiply
    94,117.21x = 129,942.53 × 58,345.45
  4. Step 4: Simplify right side
    94,117.21x = 7,581,554,989.20
  5. Step 5: Solve for x
    x = 7,581,554,989.20/94,117.21
  6. Step 6: Final answer
    x = 80,554.40

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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.