Home / 94,607.07-130,422.09-74,428.91

Finding the Fourth Proportional to 94,607.07, 130,422.09 and 74,428.91

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Solution

The fourth proportional to 94,607.07, 130,422.09 and 74,428.91 is: 102,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,607.07 : 130,422.09 = 74,428.91 : x
  2. Step 2: Convert to fraction form
    94,607.07/130,422.09 = 74,428.91/x
  3. Step 3: Cross multiply
    94,607.07x = 130,422.09 × 74,428.91
  4. Step 4: Simplify right side
    94,607.07x = 9,707,173,998.62
  5. Step 5: Solve for x
    x = 9,707,173,998.62/94,607.07
  6. Step 6: Final answer
    x = 102,605.16

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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.